- a narrow-bladed chisel for paring and mortising, driven by hand pressure or with a mallet.
Origin of firmer chisel
1680–90; firmer < French fermoir, blend of formoir that which forms (derivative of former to form < Latin fōrmāre) and fermer to make firm (< Latin firmāre)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for firmer chisel
The firmer-chisel is a general utility tool, being suited for hand pressure or mallet pounding, for paring or for light mortising.Handwork in Wood
- a chisel or gouge with a thin blade, used on woodSometimes shortened to: firmer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012