Source : Webster's Revised Unabridged Dictionary (1913)

Oneidas \O*nei"das\, n. pl.; sing. {Oneida}. (Ethnol.)
   A tribe of Indians formerly inhabiting the region near Oneida
   Lake in the State of New York, and forming part of the Five
   Nations. Remnants of the tribe now live in New York, Canada,
   and Wisconsin.