Definify.com

Webster 1913 Edition

petrohyoid

petˊro-hy′oid

(pĕtˊrō̍-hī′oid)

,

Adj.

[

Petro

+

hyoid

.]

(Anat.)

Pertaining to the petrous, or periotic, portion of the skull and the hyoid arch;

as, the

petrohyoid

muscles of the frog

.