Flathead

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A member of a Native American people inhabiting western Montana and northern Idaho, now located principally on Flathead Lake.
• noun The Salishan language of the Flathead.

from The Century Dictionary.

• noun Notothenia coriiceps, a fish of the family Trachinidæ found in Australian waters. Also called Maori-chief.
• Having an artificially flattened head: applied to certain American Indians.
• [capitalized] Pertaining to the tribe of Indians specifically called Flatheads. See II., 1.
• noun [capitalized] One of a small tribe of American Indians specifically so called, but erroneously, their heads not being flattened, and their true name being Selish.
• noun A dipnoan fish, Ceratodus forstori.
• noun A snake which flattens its head, as a species of Heterodon; the hog-nosed snake or puff-adder.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Characterized by flatness of head, especially that produced by artificial means, as a certain tribe of American Indians.
• noun (Ethnol.) A Chinook Indian. See chinook, n., 1.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun One of the Salish people of Washington state and British Columbia.
• proper noun Their Salishan language.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun pallid bottom-dwelling flat-headed fish with large eyes and a duck-like snout
• noun food fish of the Indonesian region of the Pacific; resembles gurnards