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fret sawor fret·saw (frĕt′sô′)
A long, narrow-bladed saw with fine teeth, used in making curved cuts in thin wood or metal.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Tools) a fine-toothed saw with a long thin narrow blade, used for cutting designs in thin wood or metal
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a long narrow-bladed saw used to cut ornamental work from thin wood.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.