The Collaborative International Dictionary of English v.0.48:

Riverside \Riv"er*side`\, n.
   The side or bank of a river.
   [1913 Webster]

WordNet (r) 3.0 (2006):

riverside
    n 1: the bank of a river [syn: riverbank, riverside]
    2: a city in southern California

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "riverside":
   bank, beach, berm, coast, coastal, coastland, coastline,
   embankment, foreshore, ironbound coast, lido, littoral, plage,
   playa, riparial, riparian, riparious, riviera, rockbound coast,
   sands, sea margin, seabank, seabeach, seaboard, seacliff, seacoast,
   seashore, seaside, shingle, shore, shoreline, shoreside, shoreward,
   strand, submerged coast, tidewater, waterfront, waterside



U.S. Gazetteer Counties (2000):

Riverside -- U.S. County in California
   Population (2000):    1545387
   Housing Units (2000): 584674
   Land area (2000):     7207.369000 sq. miles (18666.999221 sq. km)
   Water area (2000):    95.760818 sq. miles (248.019369 sq. km)
   Total area (2000):    7303.129818 sq. miles (18915.018590 sq. km)
   Located within:       California (CA), FIPS 06
   Location:             33.783307 N, 116.803605 W
   Headwords:
    Riverside
    Riverside, CA
    Riverside County
    Riverside County, CA


U.S. Gazetteer Places (2000):

Riverside, AL -- U.S. town in Alabama
   Population (2000):    1564
   Housing Units (2000): 793
   Land area (2000):     8.945503 sq. miles (23.168745 sq. km)
   Water area (2000):    1.628776 sq. miles (4.218511 sq. km)
   Total area (2000):    10.574279 sq. miles (27.387256 sq. km)
   FIPS code:            64920
   Located within:       Alabama (AL), FIPS 01
   Location:             33.614465 N, 86.200678 W
   ZIP Codes (1990):     35135
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, AL
    Riverside


U.S. Gazetteer Places (2000):

Riverside, WY -- U.S. town in Wyoming
   Population (2000):    59
   Housing Units (2000): 45
   Land area (2000):     0.261514 sq. miles (0.677318 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.261514 sq. miles (0.677318 sq. km)
   FIPS code:            66075
   Located within:       Wyoming (WY), FIPS 56
   Location:             41.215243 N, 106.782961 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, WY
    Riverside


U.S. Gazetteer Places (2000):

Riverside, MO -- U.S. city in Missouri
   Population (2000):    2979
   Housing Units (2000): 1384
   Land area (2000):     5.327436 sq. miles (13.797996 sq. km)
   Water area (2000):    0.340535 sq. miles (0.881982 sq. km)
   Total area (2000):    5.667971 sq. miles (14.679978 sq. km)
   FIPS code:            62156
   Located within:       Missouri (MO), FIPS 29
   Location:             39.174903 N, 94.622414 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, MO
    Riverside


U.S. Gazetteer Places (2000):

Riverside, CA -- U.S. city in California
   Population (2000):    255166
   Housing Units (2000): 85974
   Land area (2000):     78.098141 sq. miles (202.273249 sq. km)
   Water area (2000):    0.277445 sq. miles (0.718579 sq. km)
   Total area (2000):    78.375586 sq. miles (202.991828 sq. km)
   FIPS code:            62000
   Located within:       California (CA), FIPS 06
   Location:             33.948065 N, 117.396127 W
   ZIP Codes (1990):     92501 92503 92504 92505 92506 92507
                         92508
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, CA
    Riverside


U.S. Gazetteer Places (2000):

Riverside, NY -- U.S. Census Designated Place in New York
   Population (2000):    2875
   Housing Units (2000): 926
   Land area (2000):     5.103032 sq. miles (13.216791 sq. km)
   Water area (2000):    0.103766 sq. miles (0.268752 sq. km)
   Total area (2000):    5.206798 sq. miles (13.485543 sq. km)
   FIPS code:            62066
   Located within:       New York (NY), FIPS 36
   Location:             40.907643 N, 72.662591 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, NY
    Riverside


U.S. Gazetteer Places (2000):

Riverside, NY -- U.S. village in New York
   Population (2000):    594
   Housing Units (2000): 243
   Land area (2000):     0.283438 sq. miles (0.734100 sq. km)
   Water area (2000):    0.005077 sq. miles (0.013149 sq. km)
   Total area (2000):    0.288515 sq. miles (0.747249 sq. km)
   FIPS code:            62061
   Located within:       New York (NY), FIPS 36
   Location:             42.155682 N, 77.079115 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, NY
    Riverside


U.S. Gazetteer Places (2000):

Riverside, GA -- U.S. town in Georgia
   Population (2000):    57
   Housing Units (2000): 26
   Land area (2000):     0.216117 sq. miles (0.559740 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.216117 sq. miles (0.559740 sq. km)
   FIPS code:            65604
   Located within:       Georgia (GA), FIPS 13
   Location:             31.178587 N, 83.805121 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, GA
    Riverside


U.S. Gazetteer Places (2000):

Riverside, OH -- U.S. city in Ohio
   Population (2000):    23545
   Housing Units (2000): 10289
   Land area (2000):     7.857343 sq. miles (20.350424 sq. km)
   Water area (2000):    0.040786 sq. miles (0.105634 sq. km)
   Total area (2000):    7.898129 sq. miles (20.456058 sq. km)
   FIPS code:            67468
   Located within:       Ohio (OH), FIPS 39
   Location:             39.778858 N, 84.123094 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, OH
    Riverside


U.S. Gazetteer Places (2000):

Riverside, IL -- U.S. village in Illinois
   Population (2000):    8895
   Housing Units (2000): 3668
   Land area (2000):     1.972670 sq. miles (5.109191 sq. km)
   Water area (2000):    0.015035 sq. miles (0.038940 sq. km)
   Total area (2000):    1.987705 sq. miles (5.148131 sq. km)
   FIPS code:            64421
   Located within:       Illinois (IL), FIPS 17
   Location:             41.830881 N, 87.815981 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, IL
    Riverside


U.S. Gazetteer Places (2000):

Riverside, OR -- U.S. Census Designated Place in Oregon
   Population (2000):    189
   Housing Units (2000): 82
   Land area (2000):     0.595975 sq. miles (1.543568 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.595975 sq. miles (1.543568 sq. km)
   FIPS code:            62412
   Located within:       Oregon (OR), FIPS 41
   Location:             45.675654 N, 118.739434 W
   ZIP Codes (1990):     97917
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, OR
    Riverside


U.S. Gazetteer Places (2000):

Riverside, PA -- U.S. borough in Pennsylvania
   Population (2000):    1861
   Housing Units (2000): 799
   Land area (2000):     4.841415 sq. miles (12.539208 sq. km)
   Water area (2000):    0.466460 sq. miles (1.208125 sq. km)
   Total area (2000):    5.307875 sq. miles (13.747333 sq. km)
   FIPS code:            65112
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.953663 N, 76.634872 W
   ZIP Codes (1990):     17868
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, PA
    Riverside


U.S. Gazetteer Places (2000):

Riverside, IA -- U.S. city in Iowa
   Population (2000):    928
   Housing Units (2000): 396
   Land area (2000):     1.006909 sq. miles (2.607882 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.006909 sq. miles (2.607882 sq. km)
   FIPS code:            67440
   Located within:       Iowa (IA), FIPS 19
   Location:             41.481891 N, 91.576631 W
   ZIP Codes (1990):     52327
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, IA
    Riverside


U.S. Gazetteer Places (2000):

Riverside, MD -- U.S. Census Designated Place in Maryland
   Population (2000):    6128
   Housing Units (2000): 2466
   Land area (2000):     2.411628 sq. miles (6.246087 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.411628 sq. miles (6.246087 sq. km)
   FIPS code:            66762
   Located within:       Maryland (MD), FIPS 24
   Location:             39.476385 N, 76.244943 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, MD
    Riverside


U.S. Gazetteer Places (2000):

Riverside, TX -- U.S. city in Texas
   Population (2000):    425
   Housing Units (2000): 269
   Land area (2000):     1.892232 sq. miles (4.900858 sq. km)
   Water area (2000):    0.165614 sq. miles (0.428937 sq. km)
   Total area (2000):    2.057846 sq. miles (5.329795 sq. km)
   FIPS code:            62408
   Located within:       Texas (TX), FIPS 48
   Location:             30.847070 N, 95.398092 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, TX
    Riverside


U.S. Gazetteer Places (2000):

Riverside, UT -- U.S. Census Designated Place in Utah
   Population (2000):    678
   Housing Units (2000): 203
   Land area (2000):     6.734722 sq. miles (17.442850 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    6.734722 sq. miles (17.442850 sq. km)
   FIPS code:            64230
   Located within:       Utah (UT), FIPS 49
   Location:             41.806729 N, 112.140328 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, UT
    Riverside


U.S. Gazetteer Places (2000):

Riverside, WA -- U.S. town in Washington
   Population (2000):    348
   Housing Units (2000): 153
   Land area (2000):     0.893474 sq. miles (2.314088 sq. km)
   Water area (2000):    0.078962 sq. miles (0.204510 sq. km)
   Total area (2000):    0.972436 sq. miles (2.518598 sq. km)
   FIPS code:            58795
   Located within:       Washington (WA), FIPS 53
   Location:             48.502830 N, 119.508718 W
   ZIP Codes (1990):     98849
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Riverside, WA
    Riverside