noun ·sg & ·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
Meaning of BELLOWS in English
Webster English vocab. Английский словарь Webster. 2012