Trachea

Tra´che`a

n.	1.
	1.	(Anat.) The windpipe. See Illust. of Lung.
	2.	(Zool.) 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.

Noun	1.	trachea - membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi Synonyms: windpipe
	2.	trachea - one of the tubules forming the respiratory system of most insects and many arachnids