Noun | 1. | ![]() breathing apparatus, breathing device, breathing machine, ventilator - a device that facilitates breathing in cases of respiratory failure iron lung - respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration mouthpiece - a part that goes over or into the mouth of a person; "the mouthpiece of a respirator" |
2. | ![]() dispenser - a container so designed that the contents can be used in prescribed amounts |