/ Dictionary / Index I involucre: Meaning and Definition of Find definitions for: in•vo•lu•cre Pronunciation: (in'vu-l"kur), [key] — n. a collection or rosette of bracts subtending a flower cluster, umbel, or the like. a covering, esp. a membranous one. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: involucre (Thesaurus) involucrate involucrum Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language