jawboneEnglishOxford Dictionary of Englishjawbone /ˈdʒɔːbəʊn / ▸ noun a bone of the jaw, especially that of the lower jaw (the mandible), or either half of this. ▸ verb [with object] North American English informal use one's position or authority to pressure (someone) to do something: the Treasury could jawbone the banks into lending more to small businesses.