/ Dictionary / Index P premaxilla: Meaning and Definition of Find definitions for: pre•max•il•la Pronunciation: (prē"mak-sil'u), [key] — pl. -max•il•lae 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. premature ejaculation premed Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language