/ Dictionary / Index G guacharo: Meaning and Definition of Find definitions for: gua•cha•ro Pronunciation: (gwä'chu-rō"), [key] — pl. -ros. a nocturnal, fruit-eating, South American bird, Steatornis caripensis, the young of which yield an oil derived from their fat. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guacharo (Thesaurus) guacamole guaco Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language