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Webster 1913 Edition

Adj.

[

Hyo-

mandibular

(Anat.)

Pertaining both to the hyoidean arch and the mandible or lower jaw;

as, the

hyomandibular

bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes

–

Noun.

The hyomandibular bone or cartilage.

hyomandibular ‎(not comparable)

(anatomy) Relating to the hyomandibula.
(anatomy) Relating both to the hyoid arch and the mandible or lower jaw.
the hyomandibular bone or cartilage, a segment of the hyoid arch which connects the lower jaw with the skull in fishes

hyomandibular ‎(plural hyomandibulars)