or bush ham·mer
a hammer for dressing stone, having one or two square faces composed of a number of pyramidal points.
Origin of bushhammer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a hammer with small pyramids projecting from its working face, used for dressing stone
Word Origin for bushhammer
C19: from German Bosshammer, from bossen to beat + hammer
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