Webster’s Revised Unabridged Dictionary · 1913
Maxillar
Max′il·lar, Max′il·la·ry, a. [L. maxillaris, fr. maxilla jawbone, jaw: cf. F. maxillaire.] 1. (Anat.) Pertaining to either the upper or the lower jaw, but now usually applied to the upper jaw only. — n. The principal maxillary bone; the maxilla.
2. (Zoöl.) Of or pertaining to a maxilla.