A primitive root; to grate the teeth -- gnash.
H2786. charaq
חָרַק verb gnash or grind the teeth, only in poetry (Late Hebrew id.; Arabic file, rub together, grate or grind (teeth); Aramaic id.) —
Qal Perfect3masculine singular ׳ח Job 16:9; Imperfect יַחֲרֹק Psalm 112:10; וַיַּחַרְקוּֿ Lamentations 2:16; Infinitive absolute חָרֹק Psalm 35:16; Participle חֹרֵק 37:12; — grind the teeth in rage against: ׳ח על שׁניו 37:12; 35:16 absolute without על 112:10; Lamentations 2:16 (only here with שֵׁן singular); with בְּ instrumental (Ges§ 119, 3 b, R. DaSynt, § 73 R. 6) ׳ח עלֿ בשׁניו Job 16:9.