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fret-saw

fret-saw
  [f. fret n.1 + saw n.]
  A saw used for fret-cutting. So fret-sawing vbl. n., fret-cutting with such a saw.

1865 Specif. J. Kennan's Patent No. 926. 1 Oscillating frame in which the fret-saw is strained. 1875 W. E. A. Axon Mechanic's Friend 15 Vibrating fret-saw.

Oxford English Dictionary

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