Tra"che*a (?), n.; pl.
Tracheæ (#). [NL.,from L. trachia, Gr.
trachei^a (sc. &?; windpipe), from &?; rough, rugged: cf. F.
trachée.]
1. (Anat.) The windpipe. See Illust.
of Lung.
2. (Zoöl.) 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.
Tra"che*a (?), n.; pl.
Tracheæ (#). [NL.,from L. trachia, Gr.
trachei^a (sc. &?; windpipe), from &?; rough, rugged: cf. F.
trachée.]
1. (Anat.) The windpipe. See Illust.
of Lung.
2. (Zoöl.) 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.