bedspring
noun
A spring used in the construction of a base or support; (now especially) a spring or (chiefly US ) the set of springs in the base of a bedstead, on which the mattress is placed.
Origin
Mid 19th century; earliest use found in Scientific American.
- on the books
- on the bounce
- on the bow
- on the bubble
- on the bum
- on the button
- on the cadge
- on the campaign trail
- on the carpet
- on the case
- on the cheap
- on the chopping block
- on the couch
- on the credit side
- on the crest of a wave
- on the decrease
- on the defensive
- on the door
- on the dot
- on the downgrade
- on the drawing board
- on the edge of one's seat
- on the face of it
- on the fiddle
- on-the-field