Catheter

['kæθɪtə] or ['kæθɪtɚ]

Definition

(noun.) a thin flexible tube inserted into the body to permit introduction or withdrawal of fluids or to keep the passageway open.

Editor: Priscilla--From WordNet

Definition

(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.

Inputed by Inez

Definition

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.

Typist: Vilma