Definition of catheter Catheter

/kæˈθʌtɚ/ - [kathuter] - cath•e•ter

We found 6 definitions of catheter from 6 different sources.

What does catheter mean?

Plural: catheters

catheter - a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open

tubing, tube conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases

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catheter (Noun)
A small tube inserted into a body cavity to remove fluid, create an opening, distend a passageway or administer a drug.

catheter (n.)
The name of various instruments for passing along mucous canals, esp. applied to a tubular instrument to be introduced into the bladder through the urethra to draw off the urine.

catheter
A small tube inserted into a body cavity to remove fluid, create an opening, distend a passageway or administer a drug.

catheter
kath′e-tėr, n. a tube to be introduced through the urethra into the bladder to draw off the urine, or for injecting air or fluids into the Eustachian tube.—ns. Cath′eterism; Cathetom′eter, an instrument for measuring small differences of level of different liquids in tubes; Cath′etus, a straight line falling perpendicularly on another straight line or surface. [Gr. kathetos, perpendicular, kathetēr, from kathienai, to send down.]