trachea [ trey-kee- uh or, especially British, tr uh- kee- uh ] SHOW IPA / ˈtreɪ ki ə or, especially British, trəˈki ə / PHONETIC RESPELLING noun, plural tra·che·ae [ trey-kee-ee or, especially British, tr uh- kee-ee], /ˈtreɪ kiˌi or, especially British, trəˈki i/, tra·che·as. Anatomy, Zoology. the tube in humans and other air-breathing vertebrates extending from the larynx to the bronchi, serving as the principal passage for conveying air to and from the lungs; the windpipe. (in insects and other arthropods) one of the air-conveying tubes of the respiratory system.
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Origin of trachea
1350–1400; Middle English
trache<Medieval Latin trāchēa, for Late Latin trāchīa<Greek trācheîa, short for artēría trācheîa rough artery, i.e., windpipe
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use trachea in a sentence British Dictionary definitions for trachea noun plural -cheae ( -ˈkiːiː) anatomy zoology the membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi Nontechnical name: windpipe any of the tubes in insects and related animals that convey air from the spiracles to the tissues Derived forms of trachea tracheal or tracheate, adjective Word Origin for trachea
C16: from Medieval Latin, from Greek
trakheia, shortened from ( artēria) trakheia rough (artery), from trakhus rough
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Scientific definitions for trachea Plural tracheae ( trā) ′kē-ē′ tracheas The tube in vertebrate animals that leads from the larynx to the bronchial tubes and carries air to the lungs. In mammals the trachea is strengthened by rings of cartilage. Also called windpipe Any of the tiny tubes originating from the spiracles of many terrestrial arthropods and forming a branching network that brings air directly to body cells.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for trachea
The New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.