Bible Encyclopedias
Gnash

Cyclopedia of Biblical, Theological and Ecclesiastical Literature

( חָרִק charak, to grate the teeth; βρύχω, Acts 7:54; τρίξω , Mark 9:18). "To gnash with the teeth," and "gnashing of teeth," are expressions that occur in several parts of Scripture, denoting rage or sorrow (Job 16:9; Psalms 112:10; Lamentations 2:16; Matthew 8:12). (See TOOTH).

Bibliography Information
McClintock, John. Strong, James. Entry for 'Gnash'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/​encyclopedias/​eng/​tce/​g/gnash.html. Harper & Brothers. New York. 1870.