/ Dictionary / Index O Oneida: Meaning and Definition of Find definitions for: O•nei•da Pronunciation: (ō-nī'du), [key] — pl. -das, -da a member of an Iroquois people formerly inhabiting the region east of Oneida Lake. the Iroquoian language spoken by the Oneida Indians. a city in central New York. 10,810. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oneida (Thesaurus) 101 Oneida Community Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language