hi-riser Hear it!

hi-riser definition

hi-riser (hī′riz′ər)

noun

a couch with two mattresses, one below the other on a separate frame, that is convertible into a double bed or two single beds

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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