studio couch definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a kind of couch that can be made into a full-sized bed, as by sliding out the spring frame fitted beneath it
studio couch definition by American Heritage Dictionary
A couch that can be made to serve as a double bed by sliding the frame of a cot from beneath it.