The Collaborative International Dictionary of English v.0.48:

Narrow \Nar"row\, n.; pl. Narrows.
   A narrow passage; esp., a contracted part of a stream, lake,
   or sea; a strait connecting two bodies of water; -- usually
   in the plural; as, The Narrows of New York harbor.
   [1913 Webster]

         Near the island lay on one side the jaws of a dangerous
         narrow.                                  --Gladstone.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

38 Moby Thesaurus words for "narrows":
   arm, armlet, bay, bayou, belt, bight, boca, bottleneck, canal,
   channel, cove, creek, defile, estuary, euripus, fjord, frith, gulf,
   gut, harbor, inlet, isthmus, kyle, loch, mouth, narrow,
   narrow seas, natural harbor, neck, pass, reach, road, roads,
   roadstead, sound, strait, straits, throat



U.S. Gazetteer Places (2000):

Narrows, VA -- U.S. town in Virginia
   Population (2000):    2111
   Housing Units (2000): 971
   Land area (2000):     1.279603 sq. miles (3.314156 sq. km)
   Water area (2000):    0.055472 sq. miles (0.143672 sq. km)
   Total area (2000):    1.335075 sq. miles (3.457828 sq. km)
   FIPS code:            54904
   Located within:       Virginia (VA), FIPS 51
   Location:             37.331818 N, 80.808477 W
   ZIP Codes (1990):     24124
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Narrows, VA
    Narrows