bellows
C1Substantiv/US /bˈɛloʊz/ BĔL-ōz; UK /bˈɛloʊz/ BĔL-ōz/
An instrument, utensil, or machine, which, by alternate expansion and contraction, or by rise and fall of the top, draws in air through a valve and expels it through a tube for various purposes, as blowing fires, ventilating mines, or filling the pipes of
