The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a term used in World War I (1914–18) to designate all types of infantry mortars and grenade launchers designed to strike at the enemy from short distances (100–3,000 m) with high-angle fire.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.