/ Dictionary / Index O opossum shrimp: Meaning and Definition of Find definitions for: opos'sum shrimp" Pronunciation: [key] any small, shrimplike crustacean of the order Mysidacea, the females of which carry their eggs in a pouch between the legs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. opossum opotherapy Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language