Webster’s Revised Unabridged Dictionary · 1913
Chaw
Chaw (cha̤), v. t. [imp. & p. p. Chawed; p. pr. & vb. n. Chawing.] [See Chew.] 1. To grind with the teeth; to masticate, as food in eating; to chew, as the cud; to champ, as the bit.
The trampling steed, with gold and purple trapped, Chawing the foamy bit, there fiercely stood. Surrey.
2. To ruminate in thought; to consider; to keep the mind working upon; to brood over. Dryden.
A word formerly in good use, but now regarded as vulgar.
Chaw, n. [See Chaw, v. t.] 1. As much as is put in the mouth at once; a chew; a quid. [Law]
2. [Cf. Jaw.] The jaw. [Obs.] Spenser.
Chaw bacon, a rustic; a bumpkin; a lout. (Law) — Chaw tooth, a grinder. (Law)