βρυγμός

A. biting, ib.716 (pl., v.l. βρυχμός); gobbling, Eup. 347; chattering, shivering, Hp. Vict. 3.84, Steril. 214, Euryphon ap.Gal. 17(1).888; β. ὀδόντων gnashing of teeth, Ev.Matt. 8.12, al.
II. roaring of a lion, LXX Pr. 19.12.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project