airpack: Meaning and Definition of

air•pack

Pronunciation: (âr'pak"), [key]
— n.
  1. an apparatus consisting of a face mask connected to a portable air supply, as an air tank that can be strapped to one's back, used esp. by firefighters and search teams in areas of smoke, poisonous fumes, intense heat, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.