The Collaborative International Dictionary of English v.0.48:

Camass \Cam"ass\, n. [American Indian name.] (Bot.)
   any of several plants of the genus Camassia of North and
   South America, especially the blue-flowered liliaceous plant
   (Camassia esculenta) of northwestern America, the bulbs of
   which were collected for food by the Indians. [Written also
   camas, cammas, and quamash.]

   Syn: camass, quamash, camosh, camash.
        [1913 Webster]

   Note: The Eastern cammass is Camassia Fraseri.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

camas \camas\ n.
   same as camass.
   [WordNet 1.5]

WordNet (r) 3.0 (2006):

camas
    n 1: any of several plants of the genus Camassia; North and
         South America [syn: camas, camass, quamash, camosh,
         camash]

U.S. Gazetteer Counties (2000):

Camas -- U.S. County in Idaho
   Population (2000):    991
   Housing Units (2000): 601
   Land area (2000):     1074.956264 sq. miles (2784.123824 sq. km)
   Water area (2000):    4.063628 sq. miles (10.524748 sq. km)
   Total area (2000):    1079.019892 sq. miles (2794.648572 sq. km)
   Located within:       Idaho (ID), FIPS 16
   Location:             43.391502 N, 114.773345 W
   Headwords:
    Camas
    Camas, ID
    Camas County
    Camas County, ID


U.S. Gazetteer Places (2000):

Camas, WA -- U.S. city in Washington
   Population (2000):    12534
   Housing Units (2000): 4736
   Land area (2000):     10.905359 sq. miles (28.244749 sq. km)
   Water area (2000):    1.669388 sq. miles (4.323696 sq. km)
   Total area (2000):    12.574747 sq. miles (32.568445 sq. km)
   FIPS code:            09480
   Located within:       Washington (WA), FIPS 53
   Location:             45.591008 N, 122.412104 W
   ZIP Codes (1990):     98607
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Camas, WA
    Camas