inhaler

noun

1. One who inhales.

   “The exposure of the mouse lungs to smoke was, of course, relatively mild as compared with the exposure of the lungs of a human smoke-inhaler who gets true cancer.”

2. A device with a canister holding medicine (either in powder or gas form) which is sprayed and inhaled by the patient, often for treating asthma and other respiratory diseases.

   “Gay peep shows -- adult magazines, movies, locker room, inhalers.”

   “For years he'd made relatively light of it, referring to the little inhaler he had to use as his ‘puffer’.”