Meaning of premaxilla

pre•max•il•la

Pronunciation: (prē"mak-sil'u), [key]
— pl. -max•il•lae
  1. one of a pair of bones of the upper jaw of vertebrates, situated in front of and between the maxillary bones.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.