(used with a sing. or pl. verb)1a. An apparatus for producing a strong current of air, as for sounding a pipe organ or increasing the draft to a fire, consisting of a flexible, valved air chamber that is contracted and expanded by pumping to force the air through a nozzle. b. Something, such as the pleated windbag of an accordion, that resembles this apparatus. 2. The lungs.
ETYMOLOGY:
Middle English belowes, from Old English belgas, pl. of belg. See bhelgh- in Appendix I.
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