Premaxilla
Pronunciation : Pre"max*il"la n.; pl. Premaxill?.
Etymology : [NL. See Pre-, and Maxilla.] (Anat.)
Definition : Defn: 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 premaxill? become united and form the incisor part of the maxillary bone.
Source : Webster's Unabridged Dictionary, 1913