air passage

/ɛər ˌpæsɪdʒ/

Other forms: air passages

Definitions of air passage

1. noun

   a duct that provides ventilation (as in mines)
   synonyms: air duct, airway

   types:

   register

   an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room

   breather, schnorchel, schnorkel, snorkel, snorkel breather

   air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time

   upcast

   air passage consisting of a ventilation shaft through which air leaves a mine

   ventilation shaft

   a shaft in a building; serves as an air passage for ventilation

   type of:

   duct

   an enclosed conduit for a fluid