noun plural but singular or plural in construction \ˈbe-(ˌ)lōz, -ləz\

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

Full Definition of BELLOWS

:  an instrument or machine that by alternate expansion and contraction draws in air through a valve or orifice and expels it through a tube; also :  any of various other blowers
:  lungs
:  the pleated expansible part in a camera; also :  a metallic or plastic flexible and expansible vessel

Origin of BELLOWS

Middle English bely, below, belwes — more at belly
First Known Use: before 12th century


biographical name \ˈbe-(ˌ)lōz\

Definition of BELLOWS

George Wesley 1882–1925 Am. painter


noun plural but singular or plural in construction \ˈbel-(ˌ)ōz, -əz\   (Medical Dictionary)

Medical Definition of BELLOWS


   (Concise Encyclopedia)

Bellows inlaid with mother-of-pearl and pewter, Dutch, 17th century; in the Victoria and Albert …—Courtesy of the Victoria and Albert Museum, London

Mechanical contrivance for creating a jet of air, consisting usually of a hinged box with flexible sides, which expands to draw in air through an inward opening valve and contracts to expel the air through a nozzle. Invented in medieval Europe, the bellows was commonly used to speed combustion, as in a blacksmith's or ironworker's forge, or to operate reed or pipe organs.


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