I. ˈsenə̇kə noun
( plural seneca or senecas )
Usage: usually capitalized
Etymology: Dutch Sennecaas (plural), collective name for the Seneca, Oneida, Onondaga, and Cayuga, from Mahican A'sinnika Oneida, translation of Iroquois Onē̃yóde', literally, standing rock
1.
a. : an Iroquoian people of western New York, one of the Five Nations
b. : a member of such people
2. : the language of the Seneca people
II.
variant of senega