<p><strong>Noun:</strong></p><ul><li>A bottomless, boxlike, usually glass-covered structure and the bed of earth it covers, heated typically by fermenting manure or electrical cables, for growing plants out of season.</li><li>A place or environment favoring rapid growth or spread, especially of something disliked or unwanted: a hotbed of disease.</li><li>Slang: A bed shared by two or more persons in shifts, each sleeping in it for or at a designated time and then vacating it for the next occupant.</li></ul><p><strong>Verb:</strong></p><ul><li>Slang: To share a bed in shifts, so that it is always occupied.</li></ul><p><strong>End of Response</strong></p>