/ Dictionary / Index B boutonniere: Meaning and Definition of Find definitions for: bou•ton•niere Pronunciation: (bt"n-ēr', b"tun-yâr'), [key] — n. a flower or small bouquet worn, usually by a man, in the buttonhole of a lapel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: boutonniere (Thesaurus) boutique Boutros-Ghali Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language