/ Dictionary / Index M Massasoit: Meaning and Definition of Find definitions for: Mas•sa•soit Pronunciation: (mas'u-soit"), [key] — n. c1580–1661, North American Indian leader: sachem of the Wampanoag tribe; negotiator of peace treaty with the Pilgrims 1621 (father of King Philip). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: massasoit (Thesaurus) massasauga Massaua Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language