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Having two bellies or protuberances; as, a biventral, or digastric, muscle, or the biventral lobe of the cerebellum.

In the pig, dog, and cat, the digastric differs more from the corresponding muscle in man; it is not, as in the latter, formed of two parts.

As their name indicates, these muscles are found above the hyoid bone; amongst those which should arrest our attention for a moment are the mylo-hyoid and the digastric.

Digastric.—This muscle arises from the styloid process of the occipital bone and from the jugular process; it thence passes downwards and forwards, and terminates variously, in different species.

Digastric, dī-gas′trik, adj. double-bellied, or fleshy at each end, as is one of the muscles of the lower jaw.