Jaw bit (Railroad), a bar across the jaws of a pedestal underneath an
axle box. -- Jaw breaker, a word difficult to pronounce. [Obs.] -- Jaw
rope (Naut.), a rope which holds the jaws of a gaff to the mast. -- Jaw
tooth, a molar or grinder; a back tooth.
Jaw, v. i. [imp. & p. p. Jawed (?); p. pr. & vb. n. Jawing.] To scold;
to clamor. [Low] Smollett.