a. [ Cf. F. mandibulaire. ] Of or pertaining to a mandible; like a mandible. -- n. The principal mandibular bone; the mandible. [ 1913 Webster ]
Mandibular arch (Anat.), the most anterior visceral arch, -- that in which the mandible is developed. [ 1913 Webster ]
n. (anatomy) The joint between the head of the lower jawbone and the temporal bone. Syn. -- temporomandibular joint, articulatio temporomandibularis. [ WordNet 1.5 ]