noun
- pl. Senecas or Seneca a member of a North American Indian people formerly living in W New York and now living chiefly in New York and Ontario
- the Iroquoian language of this people
Origin:
< Du Sennecas, prob. < Mahican: orig. ref. to the Oneida, later including also the Onondaga, Cayuga, & Seneca
adjective
of the Senecas or their language or culture