Having one’s lower jaw protruding forward / (figuratively) determined, dogged, strong-willed, defiant

(intransitive, idiomatic) to jabber; to gabble; to ramble

(informal) Causing great awe or surprise.

plural of jaw harp

(travel, aviation) A fare construction where the destination is not the same as the origin point for the return, or where the origin differs from the return destination.

(zoology) Having the upper jaw projecting beyond the lower, with the upper incisors in advance of the lower; said of dogs.

(veterinary medicine) sub-mandibular edema resulting from anemia usually caused by intestinal parasites.

The part of the face below the mouth; the jaw. / Specifically, the bone therein; the mandible of humans and other vertebrates that, with the cranium, composes the skull.

(slang) An excessively talkative CB radio user; a chatterbox.

plural of ratchet jaw