WordNet (r) 3.0 (2006):

Glenn
    n 1: made the first orbital rocket-powered flight by a United
         States astronaut in 1962; later in United States Senate
         (1921-) [syn: Glenn, John Glenn, John Herschel Glenn
         Jr.]

U.S. Gazetteer Counties (2000):

Glenn -- U.S. County in California
   Population (2000):    26453
   Housing Units (2000): 9982
   Land area (2000):     1314.793116 sq. miles (3405.298392 sq. km)
   Water area (2000):    12.362837 sq. miles (32.019600 sq. km)
   Total area (2000):    1327.155953 sq. miles (3437.317992 sq. km)
   Located within:       California (CA), FIPS 06
   Location:             39.630023 N, 122.291407 W
   Headwords:
    Glenn
    Glenn, CA
    Glenn County
    Glenn County, CA