res·pi·ra·tor 
/ˈrɛspəˌreɪtɚ/ noun
plural res·pi·ra·tors /ˈrɛspəˌreɪtɚ/ noun [count] 1 : a device that you wear over your mouth and nose so that you can breathe when there is a lot of dust, smoke, etc., in the air 2 medical : a device that helps people to breathe when they are not able to breathe naturally
▪ The doctors put her on a respirator.
▪ The doctors put her on a respirator.
