Obs. exc. dial. [a. OF. frete (mod.F. frette) a ferrule, ring (also spec. as below).] (See quots.)
1688. R. Holme, Armoury, III. 332/1. The parts of a Wheel . The Frets are Iron Hoops about the Nave.
1887. Darlington, Folk-speech S. Cheshire, Gloss., Fret, the belt of iron which goes round the nave of a wheel. Also called Clam.