The lower jaw is enlarged and slightly protrudes beyond the upper jaw, with both jaws having bands of small teeth present.

His jaw protruded like a granite break-water.

I noticed that whenever her monologues on politics and history were interrupted, her jaw protruded disagreeably.

His mouth, relaxed, was full-lipped, but his jaws did not protrude as much.

His lower jaw protruded, and his face was bleak.

The upper jaw of Dapedium was moveable and could protrude from the mouth, enabling a wider gape to capture larger prey.

His square jaw protruded from his helmet and swung back and forth as he watched his wingtip clearance.

Small sharp jaws protruded a little.

The jaw protruded eighteen inches beyond the gaping holes of the nostrils.

On mature specimens, the bottom jaw may protrude very slightly.