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
Latin, diminutive of canna, reed; see cane.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin cannula ("small or low reed"), diminutive of canna ("cane, reed"), from Ancient Greek κάννα (kanna, "reed"). (Wiktionary)