/ Dictionary / Index B bariatrician: Meaning and Definition of Find definitions for: bar•i•a•tri•cian Pronunciation: (bar"ē-u-trish'un), [key] — n. a physician who specializes in bariatrics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bari bariatrics 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