maxilla mawp • maxillar · · · Info · Definitions · Synonyms · Characters · · maxilla · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the jaw in vertebrates that is fused to the cranium. Synonyms: upper jaw, upper jawbone, maxillary. · · Noun Definition 1 Synonyms · · · upper jaw · · Synonym 1 upper jawbone · · Synonym 2 maxillary · · Synonym 3 Characters · · a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D x latin small letter x U+0078