Pronunciation: (res'pu-rā"tur), [key]
1. a masklike device, usually of gauze, worn over the mouth, or nose and mouth, to prevent the inhalation of noxious substances or the like.
2. Brit.See gas mask.
3. Med.an apparatus to produce artificial respiration.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.