A tube or shaft for lighting or ventilating purposes; also, the metal chimney of an engine, steamboat, etc. †Formerly also, the soil-pipe of a privy.

A pipe or passage serving to bring cool or fresh air into an apartment or place, esp. in Italy and other warm climates.

(See quot. 1698.)

A pipe for the supply or passage of air, as a bronchial tube, a ventilation pipe, etc.

attributive, as ventilating-engineer, ventilating-fan, ventilating tube, etc.

attributive, as ventilation duct, ventilation-fan, ventilation-pipe, ventilation shaft, etc.

A shaft for ventilating a building or room.

A draught or current of air passing through a room, passageway, compartment, etc. Also: †a place subject to such a draught (obsolete).

A pipe or tube through which air is conveyed for cooling, ventilation, etc.