intubationnoun [ U ]
uk/ɪn.tʃuːˈbeɪ.ʃən/us/ˌɪn.tuːˈbeɪ.ʃən/specializedthe act of putting a tube into any hollow organ or tube-shaped structure in the body in order to keep it open, remove liquid for testing, or give a drug:
gastrointestinal/nasal intubation