TRACHEAS

Noun

tracheas

plural of trachea

Source: Wiktionary

TRACHEA

Tra"che*a, n.; pl. Tracheæ. Etym: [NL.,from L. trachia, Gr. trachei^a (sc. trachée.]

1. (Anat.)

Definition: The windpipe. See Illust. of Lung.

2. (Zoöl.)

Definition: One of the respiratory tubes of insects and arachnids.

3. (Bot.)

Definition: 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.

Source: Webster’s Unabridged Dictionary 1913 Edition