[hot-bed] 
noun, verb, -bed⋅ded, -bed⋅ding.| 1. | 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. |
| 2. | a place or environment favoring rapid growth or spread, esp. of something disliked or unwanted: a hotbed of disease. |
| 3. | 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. |
| 4. | Slang. to share a bed in shifts, so that it is always occupied. |
