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. 2018
- a hammer with small pyramids projecting from its working face, used for dressing stone
C19: from German Bosshammer, from bossen to beat + hammer