/kay yooh"geuh, kuy-/ , n. , pl. Cayugas , ( esp. collectively ) Cayuga .
1. a member of a tribe of North American Indians, the smallest tribe of the Iroquois Confederacy.
2. the dialect of the Seneca language spoken by the Cayuga.
3. Also called Cayuga duck . one of an American breed of domestic ducks having black plumage.
[ 1735-45, Amer.; kayo·kwe, name of a 17th-century village; cf. Cayuga kayokwehó·no Cayuga (people) (or ]