keyhole saw

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noun

a compass saw for cutting keyholes, etc.

Origin of keyhole saw

First recorded in 1770–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for keyhole saw

  • The pieces, after being marked, are cut to shape with a keyhole-saw.

    Boys' Book of Model Boats|Raymond Francis Yates
  • Cut the keyhole to the proper shape with a keyhole-saw or small chisel.

    Handwork in Wood|William Noyes
  • The keyhole-saw, which is even smaller than the compass-saw, is used for cutting quicker curves, as for a keyhole.

    Woodworking for Beginners|Charles Gardner Wheeler