*digastric*

a. [ Gr. di- = di`s- twice + &unr_; belly: cf. F. digastrique. ] (Anat.) (a) Having two bellies; biventral; -- applied to muscles which are fleshy at each end and have a tendon in the middle, and esp. to the muscle which pulls down the lower jaw. (b) Pertaining to the digastric muscle of the lower jaw; as, the digastric nerves. [ 1913 Webster ]