MANDERIL
Man"der*il, n.

Defn: A mandrel.

MANDIBLE
Man"di*ble, n. Etym: [L. mandibula, mandibulum, fr. mandere to chew.
Cf. Manger.]

1. (Anat.)

Defn: The bone, or principal bone, of the lower jaw; the inferior maxilla; — also applied to either the upper or the lower jaw in the beak of birds.

2. (Zoöl.)

Defn: The anterior pair of mouth organs of insects, crustaceaus, and related animals, whether adapted for biting or not. See Illust. of Diptera.

MANDIBULAR
Man*dib"u*lar, a. Etym: [Cf. F. mandibulaire.]

Defn: Of or pertaining to a mandible; like a mandible.
— n.

Defn: The principal mandibular bone; the mandible. Mandibular arch (Anat.), the most anterior visceral arch, — that in which the mandible is developed.