Pre"max*il"la (?) n.; pl. Premaxillae (#). [NL. See Pre-, and Maxilla.] Anat.
A bone on either side of the middle line between the nose and mouth, forming the anterior part of each half of the upper jawbone; the intermaxilla. In man the premaxillae become united and form the incisor part of the maxillary bone.
© Webster 1913.