The Collaborative International Dictionary of English v.0.48:

Yorkshire \York"shire\, n.
   A county in the north of England.
   [1913 Webster]

   Yorkshire grit, a kind of stone used for polishing marble,
      and copperplates for engravers. --Simmonds.

   Yorkshire pudding, a batter pudding baked under meat.
      [1913 Webster]

WordNet (r) 3.0 (2006):

Yorkshire
    n 1: a former large county in northern England; in 1974 it was
         divided into three smaller counties

U.S. Gazetteer Places (2000):

Yorkshire, NY -- U.S. Census Designated Place in New York
   Population (2000):    1403
   Housing Units (2000): 690
   Land area (2000):     1.847015 sq. miles (4.783746 sq. km)
   Water area (2000):    0.007576 sq. miles (0.019621 sq. km)
   Total area (2000):    1.854591 sq. miles (4.803367 sq. km)
   FIPS code:            84044
   Located within:       New York (NY), FIPS 36
   Location:             42.522493 N, 78.475295 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Yorkshire, NY
    Yorkshire


U.S. Gazetteer Places (2000):

Yorkshire, OH -- U.S. village in Ohio
   Population (2000):    110
   Housing Units (2000): 41
   Land area (2000):     0.281970 sq. miles (0.730300 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    0.281970 sq. miles (0.730300 sq. km)
   FIPS code:            87164
   Located within:       Ohio (OH), FIPS 39
   Location:             40.324855 N, 84.495957 W
   ZIP Codes (1990):     45388
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Yorkshire, OH
    Yorkshire


U.S. Gazetteer Places (2000):

Yorkshire, VA -- U.S. Census Designated Place in Virginia
   Population (2000):    6732
   Housing Units (2000): 2332
   Land area (2000):     2.374471 sq. miles (6.149852 sq. km)
   Water area (2000):    0.000000 sq. miles (0.000000 sq. km)
   Total area (2000):    2.374471 sq. miles (6.149852 sq. km)
   FIPS code:            88176
   Located within:       Virginia (VA), FIPS 51
   Location:             38.787928 N, 77.453236 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Yorkshire, VA
    Yorkshire