/ Dictionary / Index S submaxilla: Meaning and Definition of Find definitions for: sub•max•il•la Pronunciation: (sub"mak-sil'u), [key] — pl. -max•il•lae mandible. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: submaxilla (Thesaurus) submatrix submaxillary Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language