Definition of catheter in English:

catheter

noun

Medicine
  • A flexible tube inserted through a narrow opening into a body cavity, particularly the bladder, for removing fluid:

    ‘a urinary catheter’
    • ‘Patients should also have a nasogastric tube and urinary catheter inserted.’
    • ‘This will involve placing a small rubber tube called a catheter in the abscess to drain out the fluid.’
    • ‘It is often helpful to insert a urinary catheter, so that the diarrhoea can be accurately quantified by recording the stool weight.’
    • ‘This relieves the obstruction to the flow of urine by passing a urinary catheter to empty the bladder.’
    • ‘One of the main sources of nosocomial bloodstream infections is intravascular catheters.’

Origin

Early 17th century: from late Latin, from Greek kathetēr, from kathienai send or let down.

Pronunciation:

catheter

/ˈkaθətə/