Oxford Dictionary English ICU nounnoun BrE BrE//ˌaɪ siː ˈjuː// ; NAmE NAmE//ˌaɪ siː ˈjuː// Hospitals Add to my wordlistjump to other resultsintensive care unit (in a hospital) See related entries: Hospitals WordfinderhospitalA & E, admit, consultant, doctor, hospital, ICU, inpatient, nurse, operation, wardCheck pronunciation: ICU oxfordlearnersdictionaries.com