FAN n.
Chaucer. Fan blower, a wheel with vanes fixed on a rotating shaft inclosed in a case or chamber, 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 semicirc…
FILTER n.
r liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air. Filter bed, a pond, the bottom of which is a filter composed of sand gravel. -- Filter gallery, an underground gallery or tunnel, al…
FIRE n.
a disease of plants which causes them to appear as if burnt by fire. -- Fire box, the chamber of a furnace, steam boiler, etc., for the fire. -- Fire brick, a refractory brick, capable of sustaining intense heat without fusion, usually made of fire clay or of siliceous material, with some cementing substance, and us…
GATE n.
metal cast in the opening; a sprue or sullage piece. [Written also geat and git.] Gate chamber, a recess in the side wall of a canal lock, which receives the opened gate. -- Gate channel. See Gate, 5. -- Gate hook, the hook-formed piece of a gate hinge. -- Gate money, entrance money for admission to an inclosure.…