Definitions for lower jawbone
lower jaw, mandible, mandibula, mandibular bone, submaxilla, lower jawbone, jawbone, jowl(noun)
the jaw in vertebrates that is hinged to open the mouth
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"lower jawbone." Definitions.net. STANDS4 LLC, 2013. Web. 18 Jun 2013. <http://www.definitions.net/definition/lower jawbone>.