Simple Definition of bellows

from our Learner's Dictionary

bellows

noun

ˈbɛloʊz

: a device that produces a strong current of air when its sides are pressed together

the bellows of an accordion

Note: Bellows is used with both plural and singular verbs.

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“Bellows.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/bellows. Accessed 18 Jun. 2026.

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