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A chisel or gouge with a thin blade, used to shape and finish wood by hand.
[French fermoir, from Old French, alteration (influenced by fermer, to make firm) of formoir, from former, to form, from Latin fōrmāre, from fōrma, form.]
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 chisel or gouge with a thin blade, used on wood. Sometimes shortened to: firmer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
fir′mer chis`el(ˈfɜr mər)
a narrow-bladed chisel for paring and mortising that is driven by hand pressure or with a mallet.
[1680–90; firmer < French fermoir, b. formoir that which forms (derivative of former to form < Latin formāre) and fermer to make firm (< Latin firmāre)]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.