jawbone

Etymology

From Middle English jawe bone; equivalent to jaw + bone.

noun

1. (countable) The bone of the lower jaw; the mandible.
2. (countable) Any of the bones in the lower or upper jaw.
3. (countable, singular or plural, music) A shaken musical instrument (an idiophone) made from the jawbone of an animal and shaken such that the teeth vibrate in their sockets to produce sound.
4. (uncountable, slang, archaic) Credit.
   We have a few persons whose pockets are to let—men who have more complaints than dollars—individuals who, in digger's parlance, live on jawbone (credit), and are always to be found at saloons; a class of men who, when they are here, wish themselves yonder, and when yonder, wish themselves back. October 21 1862, Times Correspondent

verb

1. To talk persistently in an attempt to persuade somebody to cooperate.