ven·ti·la·tor 
/ˈvɛntəˌleɪtɚ/ noun
plural ven·ti·la·tors /ˈvɛntəˌleɪtɚ/ noun [count] 1 : a device that lets fresh air enter and move through a room, building, etc. 2 medical : a device for helping a person to breathe : respirator
▪ The patient was put on a ventilator.
▪ The patient was put on a ventilator.
