windpipe

from WordNet (r) 3.0 (2006)

windpipe
    n 1: membranous tube with cartilaginous rings that conveys
         inhaled air from the larynx to the bronchi [syn: {trachea},
         {windpipe}]

from The Collaborative International Dictionary of English v.0.48

Windpipe \Wind"pipe`\, n. (Anat.)
   The passage for the breath from the larynx to the lungs; the
   trachea; the weasand. See Illust. under {Lung}.
   [1913 Webster]

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