Dictionary
di•gas•tric
Pronunciation: (dī-gas'trik), [key] Anat.
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adj.
(of a muscle) having two bellies with an intermediate tendon.
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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.