/ Dictionary / Index M martyrium: Meaning and Definition of Find definitions for: mar•tyr•i•um Pronunciation: (mär-tir'ē-um), [key] — pl. -tyr•i•a a place where the relics of a martyr are kept. a church built above the tomb of a martyr or in honor of a martyr. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. martyrdom martyrize Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language