D defs.my
Entry 1 sense Webster, 1913

Catheter

/kăth'-ət-ẽr/ · Cath·e·ter · IPA /ˈkæθɪtɚ/
01 n. The name of various instruments for passing along mucous canals, esp. applied to a tubular instrument to be introduced into the bladder thr…
  1. 1.
    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.(Med.)
Phrases & compounds
Eustachian catheter — See under Eustachian.
Prostatic catheter — one adapted for passing an enlarged prostate.