/ Dictionary / Index M major piece: Meaning and Definition of Find definitions for: ma'jor piece" Pronunciation: [key] a queen or rook. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. major penalty major planet Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language