bellows
  風箱
  bel·lows /ˈbɛl(ˌ)oz, əz/ 名詞
  風箱,皮老虎,手用吹風器,照相機皮腔,波紋管,真空膜盒,肺部
  Bel·lows n. sing. & pl.  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 an organ with wind.
  Bellows camera, in photography, a form of camera, which can be drawn out like an accordion or bellows.
  Hydrostatic bellows. See Hydrostatic.
  A pair of bellows, the ordinary household instrument for blowing fires, consisting of two nearly heart-shaped boards with handles, connected by leather, and having a valve and tube.
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  bellows
       n : a mechanical device that blows air onto a fire to make it
           burn more fiercely [syn: blower]
  Bellows
     occurs only in Jer. 6:29, in relation to the casting of metal.
     Probably they consisted of leather bags similar to those common
     in Egypt.