Definition of Seneca noun from the Oxford Advanced Learner's Dictionary

 

Seneca

 noun
noun
BrE BrE//ˈsenəkə//
 
; NAmE NAmE//ˈsenəkə//
 
(pl. Seneca, Senecas)
 
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a member of a Native American people, many of whom now live in the US states of New York and Ohio Culture The Seneca formed the largest group in the Iroquois League. They supported the British during the American Revolution, which led to their villages being destroyed by US troops. Senecas now live mainly on four reservations (= lands given and protected by the US government) in western New York and eastern Ohio. Word Originvia Dutch from Algonquian.
See the Oxford Advanced American Dictionary entry: Seneca