/ Dictionary / Index L least flycatcher: Meaning and Definition of Find definitions for: least' fly'catcher Pronunciation: [key] a small flycatcher, Empidonax minimus, of eastern North America. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. least common multiple least killifish Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language