/ Dictionary / Index B bucco-: Meaning and Definition of Find definitions for: bucco- Pronunciation: [key] a combining form meaning “cheek,” “mouth,” used in the formation of compound words: buccolingual. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. buccinator buccolingual Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language