spalling hammer[′spȯl·iŋ ‚ham·ər]
A heavy axlike hammer with chisel edge, used for breaking and rough-dressing stone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A heavy ax-like hammer with a chisel edge; used for the rough dressing of stone by chipping off small flakes.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.