noun

• (figuratively, especially in the plural) Anything resembling the jaw (sense 1) of an animal in form or action; the mouth or way of entrance.
  "the jaws of a pass; the jaws of darkness; the jaws of death."
• (nautical) The inner end of a boom or gaff, hollowed in a half circle so as to move freely on a mast.
• (slang, dated) Impudent, abusive, or worthless talk.
  "Give me the boy, now, and no more of your jaw. I am going to take the boy home with me."
• (slang) An axle guard.

verb

• (transitive) To assail or abuse by scolding.
  "1933, Ethel Lina White, The Spiral Staircase (Some Must Watch), Chapter 4, http://gutenberg.net.au/ebooks03/0300931.txt He built the Summit, so as to have no neighbours. And Lady Warren couldn't abide It. She was always jawing him about it, and they had one awful quarrel, in his study."
• (intransitive) To scold; to clamor.
  "[…] he waked him, which put him in a main high passion, and he swore woundily at the lieutenant, and called him lousy Scotch son of a whore […], and swab, and lubber, whereby the lieutenant returned the salute, and they jawed together fore and aft a good spell, till at last the captain turned out, and, laying hold of a rattan, came athwart Mr. Bowling's quarter: whereby he told the captain that, if he was not his commander, he would heave him overboard […]"
• (intransitive, informal) To talk; to converse.
  "Today the beastly boat is level at last and the sun’s out and we have all been jawing about what to do."
• (snooker, transitive, intransitive) (of a ball) To stick in the jaws of a pocket.

verb

• (Scotland, transitive) To pour or throw out.
  "Bletherum bore her to the vestry, Jaw'd some water in her face; […]"
• (Scotland, transitive, of water) To splash; to surge.
  "'Twas freezin', thowin', rainin', snawin', In souple turns; While sheughs an' deep fur-drains were jawin' To spate the burns."

noun

• (Scotland, Northern England) A wave, a billow, a breaker.
  "Upo' the briny Borean jaws to float,"
• (Scotland, Northern England) A dash or spurt of water; any large quantity of water or other liquid.
  "But sweetly bends the reamin' bicker, To drown dull care in jaws o' liquor."