From Longman Dictionary of Contemporary Englishjawbonejaw‧bone /ˈdʒɔːbəʊn $ ˈdʒɒːboʊn/ noun [countable] HBHHBABODYone of the bones that your teeth are in, especially the lower bone
Examples from the Corpus
jawbone• He took hold of the face and jawbone and tried to restore a more normal appearance.• Only the tightly clenched line of her jawbone revealed the enormous effort it was taking her just to stand upright.• Across the River Esk is a whale's jawbone arch, a reminder of the town's maritime history.• He passed scattered jawbones, pale twists of wood.• These gave it the appearance of the half-submerged jawbone of some long-dead behemoth.• When he turned his head to look at her the flesh folded underneath the jawbone into the beginnings of a double chin.• The jawbone felt as cold as a joint of beef in a supermarket deep-freeze. 