/ Dictionary / Index R requiem shark: Meaning and Definition of Find definitions for: req'uiem shark" Pronunciation: [key] any of numerous, chiefly tropical sharks of the family Carcharhinidae, including the tiger shark and soupfin shark. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Requiem requiescat Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language