An example of a trachea is the tube in the human from the larynx to the bronchi.
- in the respiratory tract of most land vertebrates, the tube extending from the larynx to the two bronchi; windpipe
- in the respiratory system of insects and certain other invertebrates, any of the tubules branching throughout the body and conducting air from the exterior
- Bot. vessel (sense )
Origin of tracheaMiddle English trache ; from Medieval Latin trachea ; from Late Latin trachia, windpipe ; from Classical Greek tracheia (arteria), rough (windpipe) ; from trachys, rough, akin to thrassein, to confuse ; from Indo-European base an unverified form dher-, dark residue, dirt from source dregs
nounpl. tra·che·ae or tra·che·as
- Anatomy A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs. Also called windpipe.
- Zoology One of the internal respiratory tubes of insects and some other terrestrial arthropods, which are connected to the spiracles and are used for gas exchange.
- Botany A tracheary element.
Origin of tracheaMiddle English trache, from Medieval Latin trach&emacron;a, from Late Latin trach&imacron;a, from Greek (art&emacron;ria) trakheia, rough (artery), trachea (as opposed to the smooth vessels that carry blood and not air), feminine of trakhus, rough.
(plural tracheas or tracheae or tracheÃ¦)
From Latin trachia (“windpipe"), from Ancient Greek Ï„ÏÎ±Ï‡Îµá¿–Î± (trachea, “windpipe")