fret saw definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a saw with a narrow, fine-toothed blade in a -shaped frame, for cutting curved patterns in thin boards or metal plates
fret saw definition by American Heritage Dictionary
A long, narrow-bladed saw with fine teeth, used in making curved cuts in thin wood or metal.