noun🔗ShareKatheterA small tube inserted into a body cavity to administer a drug, create an opening, distend a passageway, or remove fluid."The nurse inserted a catheter to drain urine from the patient's bladder. "Die Krankenschwester legte einen Katheter ein, um Urin aus der Blase des Patienten abzuleiten.medicinedevicebodyphysiologyorgananatomytechnicalChat with AIVocabulary GamePractice Reading