/ Dictionary / Index G gnatcatcher: Meaning and Definition of Find definitions for: gnat•catch•er Pronunciation: (nat'kach"ur), [key] — n. any tiny insect-eating, New World warbler of the genus Polioptila, having a long, mobile tail and a slender bill. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gnatcatcher (Thesaurus) gnat gnateater Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language