9 letters · 21 points in Scrabble
noun the jaw in vertebrates that is fused to the cranium
adjective of or relating to the upper jaw
originBorrowed from Latin māxillāris (“of or belonging to the jaw”), from māxilla (“the jawbone, jaw”) + -āris (“-ar, -ary”, adjectival suffix); equivalent to maxilla + -ary.
Etymology from Wiktionary, CC BY-SA 3.0