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

  • n. A flexible tube, usually containing a trocar at one end, that is inserted into a bodily cavity, duct, or vessel to drain fluid or administer a substance such as a medication.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A tube inserted in the body to drain or inject fluid.
  • n. A hose or tube that connects directly to an oxygen (O2) bottle/source from the user's nose, commonly used by aircraft pilots or others needing direct oxygen breathing apparatus.

from the GNU version of the Collaborative International Dictionary of English

  • n. A small tube of metal, wood, or India rubber, used for various purposes, esp. for injecting or withdrawing fluids. It is usually associated with a trocar.

from The Century Dictionary and Cyclopedia

  • n. A small tube used by surgeons for various purposes, as for a sheath to a stylet or other sharp instrument, along with which it is thrust into a cavity or tumor containing a fluid.
  • n. Eccles., a cruet for use at the altar. See cruet.

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

  • n. a small flexible tube inserted into a body cavity for draining off fluid or introducing medication


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

Latin, diminutive of canna, reed; see cane.

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin cannula ("small or low reed"), diminutive of canna ("cane, reed"), from Ancient Greek κάννα (kanna, "reed").


  • Before the skull emerges, he "collapses" it by inserting a three-millimeter instrument known as a cannula and extracting its fluid.

    Re: Am I Blue? - Swampland -

  • Cutting such holes, known as cannula, are common in the bovine research field. Top headlines

  • A cannula is a small tube that is inserted in the body.

    Best Syndication -

  • Liposuction (LYE-poe-suc-shun) is a procedure in which fat deposits are suctioned from the body using a small, hollow wand called a cannula (CAN-you-luh).


  • Small incisions are made in the target areas, then a slim, stainless steel tube called a cannula is inserted.

    Best Syndication -

  • In traditional liposuction a suctioning tube called a cannula is inserted into the body fat through a small incision.


  • The doctor then manipulates the cannula, which is connected to a strong vacuum, breaking up fatty areas and suctioning out the fat.


  • Now, after treatment with intravenous antibiotics, a rail-thin Mr. Fujita is feeling better, but still needs to breathe oxygen from a cannula in his nose.

    Illnesses Surge Among Quake Victims

  • The father in this case smokes copious pot and wears a nasal cannula to get oxygen.

    Timber! : Bev Vincent

  • Heated, humidified high-flow nasal cannula therapy.

    Recent Neonatal Research Publications


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  • "Mary swabbed at the arm again and slid a cannula under the skin. Badri's eyes fluttered open."

    Doomsday Book by Connie Willis, p 40

    May 25, 2010