A low bed, designed to be rolled/stored away, usually on casters, under a higher bed, e.g. for temporary use by guests.

(hydrology) the large particles of sediment that are carried along the bottom of a stream

A bed that is inflated with air and used as a permanent or temporary bed. They are adjustable, and sometimes portable.

Alternative form of featherbed

(dated) Synonym of bedhead

To lie down to sleep, put oneself in one's bed. / (printing) Of a newspaper: to finish being prepared for printing.

A fundraising event, usually run by hospitals, where a wheeled bed is pushed through the streets to raise awareness of the campaign.

(idiomatic) To urinate in one's bed (during sleep). / (euphemistic) To go bad, to fail. Often said of machines; a euphemism for shit the bed.

(Ireland, colloquial) The dandelion.

Breakfast served to one in bed upon waking, commonly to show appreciation for the receiver.