n. The action of cutting, piercing, etc., in any sense of bite.n. The corroding action of a mordant upon a metal plate, wherever the lines of a design, drawn upon a prepared ground, have been laid bare with a needle, as in etching, or the surface is alternately stopped out and exposed, as in aquatint.Nipping; keen: as, biting cold; biting weather.Severe; sharp; bitter; painful: as, a “biting affliction,”Acrid; hot; pungent: as, a biting taste.Hence Sharp; severe; cutting; sarcastic: as, a biting remark.