A room in a house or institution suited for games, dancing, or other kinds of recreation.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "recreation room" in a sentence
"Hurried visits to the six bedrooms upstairs and the recreation room on the lower level confirmed the fact."