FRET (6)

Fret, n. 1. 1. Ornamental work in relief, as carving or embossing. See Fretwork.
2. 2. (Arch.) An ornament consisting of small fillets or slats intersecting each other or bent at right angles, as in classical designs, or at oblique angles, as often in Oriental art.
His lady's cabinet is a adorned on the fret, ceiling, and chimney-piece with . . . carving. Evelyn. 3. 3. The reticulated headdress or net, made of gold or silver wire, in which ladies in the Middle Ages confined their hair.
A fret of gold she had next her hair. Chaucer. Fret saw, a saw with a long, narrow blade, used in cutting frets, scrolls, etc.; a scroll saw; a keyhole saw; a compass saw.