fret-saw [f. fret n.1 + saw n.] A saw used for fret-cutting. So fret-sawingvbl.n., fret-cutting with such a saw. 1865Specif. J. Kennan's PatentNo. 926. 1 Oscillating frame in which the fret-saw is strained.1875W. E. A. Axon Mechanic's Friend 15 Vibrating fret-saw.