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1. (n.) trachea
(in air-breathing vertebrates) a tube that extends from the larynx to the bronchi, serving as the principal passageway of air to and from the lungs; windpipe.
2. trachea
(in insects and certain other invertebrates) any of a network of air-conveying tubules throughout the body.
Etymology: (1350–1400; ME trache < ML trāchēa, for LL trāchīa < Gk trācheîa, short for artēría trācheîa rough artery, i.e., windpipe)
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| Definition of 'trachea' |
Princeton's WordNet |
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1. (noun) trachea, windpipe
membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
2. (noun) trachea
one of the tubules forming the respiratory system of most insects and many arachnids
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| Definition of 'trachea' |
Webster Dictionary |
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1. (noun) trachea
the windpipe. See Illust. of Lung
2. (noun) trachea
one of the respiratory tubes of insects and arachnids
3. (noun) trachea
one of the large cells in woody tissue which have spiral, annular, or other markings, and are connected longitudinally so as to form continuous ducts
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| Definition of 'trachea' |
U.S. National Library of Medicine |
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1. trachea
The cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi.
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Definitions of trachea 
