/ Dictionary / Index D digastric: Meaning and Definition of Find definitions for: di•gas•tric Pronunciation: (dī-gas'trik), [key] — Anat. Anat. —adj. (of a muscle) having two bellies with an intermediate tendon. —n. a muscle of the lower jaw, the action of which assists in lowering the jaw. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. digamy Digby Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language