无颌 wúhé jawless Definitions Defs Origin Strokes Stroke Words Sentences Sents 无 無 wú adjectiveverb to not have to not have; there is no; lack; (as prefix) non-; un-; -less颌 頜 hé jaw (bound form) the jaw; either of the two structures, upper and lower, that form the framework of the mouth and contain the teeth