The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
an instrument used by a sculptor to work marble and other relatively soft stones. The tool is made of steel and has a cutting edge that is usually divided into three sections. The tooth chisel produces raised strips on the stone’s surface.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.