noun \mak-ˈsil-ə\
plural max·il·lae \-ˈsil-(ˌ)ē, -ˌī\ or maxillas

Definition of MAXILLA

: jaw 1a
a : an upper jaw especially of humans or other mammals in which the bony elements are closely fused b : either of two membrane bone elements of the upper jaw that lie lateral to the premaxillae and that in higher vertebrates including humans bear most of the teeth
: one of the first or second pair of mouthparts posterior to the mandibles in insects, myriopods, crustaceans and closely related arthropods

Illustration of MAXILLA

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