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use, a church, a mine, etc.; free exposure to air. Insuring, for the laboring man, better ventilation. F. W. Robertson.

The act of eventilating; discussion. [Obs.] Bp. Berkely.

animals. Not conversing the body, not repairing it by assimilation, but preserving it by ventilation. Sir T. Browne.

A wall of separation in a shaft or gallery used for ventilation.

Oppressive; without motion or ventilation; causing a feeling of lassitude; -- said of the air, weather, etc. If the rooms be low-roofed, or full of windows and doors, the one maketh the air close, . . . and the other maketh it exceeding unequal. Bacon.

mber, to create a blast of air (fan blast) for forge purposes, or a current for draft and ventilation; a fanner. -- Fan cricket (Zoöl.), a mole cricket. -- Fan light (Arch.), a window over a door; -- so called from the semicircular form and radiating sash bars of those windows which are set in the circular heads of a…

A lantern, or louver covering, placed on a roof, for ventilation or escape of smoke.

oom or passage, or in a chimney, for admitting or excluding heated air, or for regulating ventilation.

lates steam, water, air, or the like, for heating or cooling; -- used in some heating and ventilation systems.

the top of the ground to the level of a tunnel, for drawing up the earth and stones, for ventilation, lighting, and the like.

vated central portion of the roof of a passenger car. Its sides are pierced for light and ventilation. Turret clock, a large clock adapted for an elevated position, as in the tower of a church. -- Turret head (Mach.), a vertical cylindrical revolving tool holder for bringing different tools into action successively in…

Of or pertaining to ventilation; adapted to secure ventilation; ventilating; as, ventilative apparatus.

A contrivance for effecting ventilation; especially, a contrivance or machine for drawing off or expelling foul or stagnant air from any place or apartment, or for introducing that which is fresh and pure.

A small shaft sunk from one level to another, as for the purpose of ventilation.