Maxillar \Max"il*lar\, Maxillary \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. (Zo["o]l.) Of or pertaining to a maxilla.

Source: Webster's Revised Unabridged Dictionary (1913)