The Collaborative International Dictionary of English v.0.48:

Dale \Dale\ (d[=a]l), n. [AS. d[ae]l; akin to LG., D., Sw.,
   Dan., OS., & Goth. dal, Icel. dalr, OHG. tal, G. thal, and
   perh. to Gr. qo`los a rotunda, Skr. dh[=a]ra depth. Cf.
   Dell.]
   1. A low place between hills; a vale or valley.
      [1913 Webster]

            Where mountaines rise, umbrageous dales descend.
                                                  --Thomson.
      [1913 Webster]

   2. A trough or spout to carry off water, as from a pump.
      --Knight.
      [1913 Webster]

WordNet (r) 3.0 (2006):

dale
    n 1: an open river valley (in a hilly area)

Moby Thesaurus II by Grady Ward, 1.0:

20 Moby Thesaurus words for "dale":
   bottom, bottom glade, bottoms, combe, dell, dingle, gap, gill,
   glen, grove, intervale, lunar rill, pass, ravine, strath, trench,
   trough, vale, valley, wadi



U.S. Gazetteer Counties (2000):

Dale -- U.S. County in Alabama
   Population (2000):    49129
   Housing Units (2000): 21779
   Land area (2000):     561.073837 sq. miles (1453.174505 sq. km)
   Water area (2000):    1.600961 sq. miles (4.146470 sq. km)
   Total area (2000):    562.674798 sq. miles (1457.320975 sq. km)
   Located within:       Alabama (AL), FIPS 01
   Location:             31.394100 N, 85.615013 W
   Headwords:
    Dale
    Dale, AL
    Dale County
    Dale County, AL


U.S. Gazetteer Places (2000):

Dale, IN -- U.S. town in Indiana
   Population (2000):    1568
   Housing Units (2000): 630
   Land area (2000):     1.529225 sq. miles (3.960674 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    1.529225 sq. miles (3.960674 sq. km)
   FIPS code:            16624
   Located within:       Indiana (IN), FIPS 18
   Location:             38.168603 N, 86.988072 W
   ZIP Codes (1990):     47523
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Dale, IN
    Dale


U.S. Gazetteer Places (2000):

Dale, PA -- U.S. borough in Pennsylvania
   Population (2000):    1503
   Housing Units (2000): 745
   Land area (2000):     0.176490 sq. miles (0.457107 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.176490 sq. miles (0.457107 sq. km)
   FIPS code:            18000
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.310524 N, 78.903886 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Dale, PA
    Dale