noun[also treated as singular]
- 1 (also a pair of bellows) A device with an air bag that emits a stream of air when squeezed together with two handles, used for blowing air into a fire: stoking up the fire with the bellowsMore example sentences
- He opened an agricultural museum which included a gigantic pair of bellows, seven or eight feet tall.
- They blow bellows at them to simulate a strong wind and then light torches to simulate the imagined layer of fire in the sky.
- When dry, any loose smalt was to be brushed off with a feather or blown off with a bellows.
- 1.1A device similar to a pair of bellows used in a harmonium or small organ.More example sentences
- Clavichords were particularly popular with organists because they could practise on them at home instead of in a cold church, and without the need to pay someone to pump the organ bellows.
- The poor starving little church mice had chewed their way through the bellows of the church organ.
- I wondered what powered it, since it didn't have a bellows like an accordion or pipe organ, and he didn't seem to be blowing into it.
- 2An object or device with concertinaed sides to allow it to expand and contract, such as a tube joining a lens to a camera body.More example sentences
- We knew we would have to magnify the drop for final measurements, so we used a medium-format camera and 120-millimeter macro lens on a bellows.
- Such calculations work out very neatly if you always double your focal length, but get a bit more complicated for odd bellows or lens extensions.
- The bellows moves a valve body in accordance with pressure introduced into the pressure sensing chamber.
Middle English: probably from Old English belga, plural of belig (see belly), used as a shortened form of earlier blǣstbelig 'blowing bag'.
More definitions of bellowsDefinition of bellows in:
- The US English dictionary