'Catheter' definitions:

Definition of 'catheter'

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

Definition of 'Catheter'

From: GCIDE
  • Catheter \Cath"e*ter\, n. [L., fr. Gr. ? a thing let down or put in, catheter, fr. ? to send down, to let down; ? + ? to send.] (Med.) 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. [1913 Webster]
  • Eustachian catheter. See under Eustachian.
  • Prostatic catheter, one adapted for passing an enlarged prostate. [1913 Webster] Catheterism

Words containing 'Catheter'