noun
a coiled bedspring in a frame that is covered with cloth
• Hypernyms: ↑bedspring
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noun : a bedspring that consists of spiral springs attached to a foundation and enclosed in a cloth-covered frame
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an upholstered bedspring composed of a number of helical springs, each in a cylindrical cloth pocket.
[1890-95]
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box spring noun
One of a set of spiral springs in an open box-shaped frame as part of a mattress
• • •
Main Entry: ↑box
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box spring,
a set of bedsprings in a boxlike frame with padding over them, covered with ticking or some other firmly woven material.
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n. each of a set of vertical springs housed in a frame in a mattress or upholstered chair base
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noun, pl ⋯ springs [count]
US : a wide, flat box that is filled with metal springs and covered with cloth and that is put under a mattress for support
Useful english dictionary. 2012.