/ Dictionary / Index P potoroo: Meaning and Definition of Find definitions for: po•to•roo Pronunciation: (pō"tu-r'), [key] — pl. -roos. any of several small, ratlike kangaroos of the genus Potorous, of Australia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: potoroo (Thesaurus) potoo Potosí Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language