trachea
Americannoun
plural
tracheae, tracheas-
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.
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(in insects and other arthropods) one of the air-conveying tubes of the respiratory system.
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Botany. vessel.
noun
plural
tracheae-
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.
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Also called windpipe
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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.
Other Word Forms
- tracheal adjective
Etymology
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
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Chemotherapy and radiation left him with a tube in his trachea and difficulty breathing - something that was written into his final role, reprising his "Iceman" character in the 2022 Top Gun sequel.
From BBC • Dec. 31, 2025
"You can protect the blood vessels in your neck. It also helps shield your trachea in front," he added.
From Barron's • Nov. 8, 2025
It found evidence of “severe bilateral acute pulmonary edema” and “frothy pulmonary edema in trachea and mainstem bronchi.”
From Salon • Jan. 21, 2025
The nasal drops significantly diminished the virus load in the trachea and lungs of the infected mice.
From Science Daily • Jan. 10, 2024
He’d been given a front of his neck so a breathing tube could be inserted into his trachea, or windpipe.
From "Mountains Beyond Mountains" by Tracy Kidder and Michael French
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.