Camass \Cam"ass\, n. [American Indian name.]

(Bot.) A blue-flowered liliaceous plant (Camassia esculenta) of northwestern America, the bulbs of which are collected for food by the Indians. [Written also camas, cammas, and quamash.]

Note: The Eastern cammass is Camassia Fraseri.

Source: Webster's Revised Unabridged Dictionary (1913)