Definition of
Idaho
- (noun, location) a state in the Rocky Mountains
via WordNet, Princeton University
Origin of the word Idaho
- c.1860, as a place name, originally applied to part of what is now eastern Colorado (Idaho Territory org. 1863); from Kiowa-Apache (Athabaskan) idaahe "enemy," a name applied by them to the Comanches. more
via Online Etymology Dictionary, ©2001 Douglas Harper