FRET (4)

Fret, n. 1. 1. The agitation of the surface of a fluid by fermentation or other cause; a rippling on the surface of water. Addison.
2. 2. Agitation of mind marked by complaint and impatience; disturbance of temper; irritation; as, he keeps his mind in a continual fret.
Yet then did Dennis rave in furious fret. Pope. 3. 3. Herpes; tetter. Dunglison.
4. 4. pl. (Mining) The worn sides of river banks, where ores, or stones containing them, accumulate by being washed down from the hills, and thus indicate to the miners the locality of the veins.