Producing agreeable or pleasant sensations; characterized by ease and quiet enjoyment; of a calm or placid character; spec. (of sleep) undisturbed…

U.S. Designating a bed that has a tall upright post at each corner, often for the support of a canopy or curtains. Cf. four-post adj. at four, adj. n.…

(of a bedstead) having four posts (to support a canopy and curtains).

Not slept in; not slept off.

Of a commercial product, esp. a bed or bedding: of a size larger than standard, but (in a graded series) smaller than king-size. Cf. king-size, adj.

Designating bedding designed to relieve back pain or other musculoskeletal symptoms, often employing a very hard mattress or board. Cf. orthopaedi…