/ Dictionary / Index C catchfly: Meaning and Definition of Find definitions for: catch•fly Pronunciation: (kach'flī"), [key] — pl. -flies. any of various plants, esp. of the genera Silene and Lychnis, having a viscid secretion on the stem and calyx in which small insects are sometimes caught. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: catchfly (Thesaurus) catcher's box catching Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language