Definitions for: Trachea

[n] membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
[n] one of the tubules forming the respiratory system of most insects and many arachnids

Webster (1913) Definition: Tra"che*a, n.; pl. Trache[ae]. [NL.,from L. trachia,
Gr. trachei^a (sc. ? windpipe), from ? rough, rugged: cf. F.
trach['e]e.]
1. (Anat.) The windpipe. See Illust. of Lung.

2. (Zo["o]l.) One of the respiratory tubes of insects and
arachnids.

3. (Bot.) 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.

Synonyms: windpipe

See Also: cartilaginous tube, cervix, epiglottis, neck, respiratory system, systema respiratorium, tubule, upper respiratory tract

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