A mass of organic matter decomposing and giving off heat from microbial metabolic action. / A garden bed using such a heat-generating mass; a hotbox.

Reusing sleeping quarters in shifts. / To farm using hotbeds for season extension.

(UK, US) A bed designed for two adults, typically measuring 54 by 75 inches (1.35 by 1.9 meters).

Alternative spelling of waterbed

Either of a pair of matching single beds. / (US) A single bed.

Alternative spelling of bed and breakfast

(architecture) The congeries of mouldings which is under the projecting part of almost every cornice, of which, indeed, it is a part.

(geology) A coal seam.

A device emitting ultraviolet radiation used to produce a cosmetic suntan.

Two or more beds fixed on top of one another, so that one person can sleep in each bunk at a different height.