WordNet (r) 3.0 (2006):

Penobscot
    n 1: a member of the Algonquian people belonging to the Abnaki
         confederacy and living in the Penobscot valley in northern
         Maine
    2: a river in central Maine flowing into Penobscot Bay [syn:
       Penobscot, Penobscot River]

U.S. Gazetteer Counties (2000):

Penobscot -- U.S. County in Maine
   Population (2000):    144919
   Housing Units (2000): 66847
   Land area (2000):     3395.726054 sq. miles (8794.889730 sq. km)
   Water area (2000):    160.413049 sq. miles (415.467871 sq. km)
   Total area (2000):    3556.139103 sq. miles (9210.357601 sq. km)
   Located within:       Maine (ME), FIPS 23
   Location:             45.171930 N, 68.722469 W
   Headwords:
    Penobscot
    Penobscot, ME
    Penobscot County
    Penobscot County, ME