Wiktionary
n. 1 The part of the face below the mouth; the jaw. 2 Specifically, the bone therein; the mandible of humans and other vertebrates that, with the cranium, composes the skull.
WordNet
n. the lower jawbone in vertebrates; it is hinged to open the mouth [syn: mandible, mandibula, mandibular bone, submaxilla, lower jawbone, jawbone, jowl]
Usage examples of "lower jaw".
Stars shot through my vision with the blow, but the sharp click of Sampson's lower jaw smashing into his upper teeth more than compensated for the pain.
His black lashes were dark smudges on his cheekbones, and black beard stubbled his lower jaw.
She was missing her lower jaw, half of an arm, a basketball-sized section of lower abdomen, and one of her legs was attached by only a scrap of flesh and her black tights.
Muscles bulged under the ogress's leathery hide, and canine fangs jutted up from her lower jaw.
He bent down and I pulled down his lower jaw, gently turning down the lip to examine the inside.
The empty lower jaw sagged, fat-jowled and grimly jovial, hiding the lower half of his face.
It was indeed a skull, complete with lower jaw, though the mandible was attached only by the remnants of dried ligament.
With a mighty lunge, he drove his knife into a tree, pinning the snake there with the blade through its lower jaw and roof of its mouth, like a long, third fang.