Definition of catheter:
- medical instrument (part of speech: noun)
To make the cleansing more thorough a catheter or a small, rubber tube may be inserted well back into the sheath, and water may be forced through it from a syringe or a funnel inserted into the other end of the tube and considerably elevated.- "Special Report on Diseases of Cattle", U.S. Department of Agriculture J.R. Mohler.
- "Ulysses", James Joyce.
When the posterior pharyngeal wall is felt, the point of the instrument is rotated inwards through a quarter of a circle; the position of the point is indicated by the metal ring upon the outer end of the catheter.- "Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition.", Alexander Miles Alexis Thomson.