Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Anatomy A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs.
  • noun 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.
  • noun Botany A tracheary element.

from The Century Dictionary.

  • noun A notable genus of noctuid moths, containing one species, T. piniperda, known to English collectors as the pinebeauty.
  • noun In anatomy and zoäl.: The principal air-passage of the body; the windpipe, beginning at the larynx and ending at the bronchial tubes. In Arthropoda, as insects, one of the tubes which traverse the body and generally open by stigmata upon the exterior, thus bringing air to the blood and tissues generally, and constituting special respiratory organs.
  • noun In botany, a duct or vessel; a row or chain of cells that have lost their intervening partitions and have become a single long canal or vessel.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The windpipe. See Illust. of Lung.
  • noun (Zoöl.) One of the respiratory tubes of insects and arachnids.
  • noun (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.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy A thin-walled, cartilaginous tube connecting the larynx to the bronchi; the windpipe.
  • noun botany, dated xylem vessel
  • noun entomology the respiratory system of insects

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
  • noun one of the tubules forming the respiratory system of most insects and many arachnids

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English trache, from Medieval Latin trāchēa, from Late Latin trāchīa, from Greek (artēriā) trākheia, rough (artery), trachea (as opposed to the smooth vessels that carry blood and not air), feminine of trākhus, rough.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin trachia ("windpipe"), from Ancient Greek τραχεῖα (trachea, "windpipe")

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Examples

  • The pressure effects may be entirely referable to the trachea -- _thymus stenosis of the trachea_ -- giving rise to progressive dyspnœa accompanied by stridor, with paroxysmal exacerbations during which the child becomes asphyxiated.

    Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Alexander Miles 1893

  • A surgical procedure in which a damaged section of the trachea is removed and the ends of the trachea are reconnected.

    Glossary 2010

  • In this surgery, the damaged part of the trachea is removed and the remaining ends are joined together.

    Tracheal Stenosis 2010

  • In this surgery, the narrow part of the trachea is cut through horizontally.

    Tracheal Stenosis 2010

  • But the trachea is a strange place for colo-rectal cancer to matastisize, so you can probably blame my individual cancer for the unexpected response to the drug.

    Robert Schwab: In the Chemo Room: Out With a Tumor Robert Schwab 2011

  • But the trachea is a strange place for colo-rectal cancer to matastisize, so you can probably blame my individual cancer for the unexpected response to the drug.

    Robert Schwab: In the Chemo Room: Out With a Tumor Robert Schwab 2011

  • But the trachea is a strange place for colo-rectal cancer to matastisize, so you can probably blame my individual cancer for the unexpected response to the drug.

    Robert Schwab: In the Chemo Room: Out With a Tumor Robert Schwab 2011

  • He takes his last few breaths through the stump of his trachea, which is more like a snorkel now.

    At the Bar 2008

  • He takes his last few breaths through the stump of his trachea, which is more like a snorkel now.

    At the Bar 2008

  • The operation typically involves making an incision in the neck up, up and down here, and then actually finding the trachea, which is just behind -- just underneath the skin there.

    CNN Transcript Feb 24, 2005 2005

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