smoke hood(redirected from Short term air supply)
1. A cover placed above an opening or an object to shelter it.
2. A cover placed over a fire or chimney to create a draft and to direct the smoke, odors, or noxious vapors into a flue; may be supported or hung in space, or attached to a wall; sometimes furnished with a grease filter or extractor, a light fixture, and fire-extinguishing system.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.