The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
in old Russian architecture a large hall for the junior retainers (gridi) of a prince at his court. It was also used on festive occasions for feasts. Sometimes the gridnitsa was a detached structure.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.