/ Dictionary / Index P potoo: Meaning and Definition of Find definitions for: po•too Pronunciation: (pō-t'), [key] — pl. -toos. any of several nocturnal birds of the family Nyctibiidae, of Mexico and Central and South America, related to the goatsuckers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. potometer potoroo 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