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A passage driven or cut between shaft and shaft; a driftway; a small subterranean gallery; an adit or tunnel.

Communicating force; impelling; as, a driving shaft. Driving axle, the axle of a driving wheel, as in a locomotive. -- Driving box (Locomotive), the journal box of a driving axle. See Illust. of Locomotive. -- Driving note (Mus.), a syncopated note; a tone begun on a weak part of a measure and held through the next a…

One of the cylindrical, or nearly cylindrical, blocks, of which the shaft of a column is composed; also, a vertical wall, whether circular or polygonal in plan, carrying a cupola or dome. (e) (Mach.)

The root of the box tree, of which hafts for daggers were made. Gerarde (1597).

A bumblebee; also, a cockchafer. [Prov. Eng.]

A disk or wheel so arranged upon a shaft that the center of the wheel and that of the shaft do not coincide. It is used for operating valves in steam engines, and for other purposes. The motion derived is precisely that of a crank having the same throw. Back eccentric, the eccentric that reverses or backs the valve gea…

district. -- Ruling elder, a lay presbyter or member of a Presbyterian church session. Schaff.

ements of written language; hence, also, a simple portion of that which is complex, as a shaft, lever, wheel, or any simple part in a machine; one of the essential ingredients of any mixture; a constituent part; as, quartz, feldspar, and mica are the elements of granite. The simplicity which is so large an element in a…

To cause to boil with anger; to irritate; to chafe. [Obs.] Spenser.

A generator having its revolving part carried on the shaft of the driving engine.

A slight convex swelling of the shaft of a column.

To discharge; to shoot. [Obs.] Then he another and another [shaft] did expel. Spenser. .

omy exhibits the lungs in a continual motion of inspiring and expiring air. Harvey. This chafed the boar; his nostrils flames expire. Dryden.

To corrode; to fret; to chafe; to inflame. [Obs.] Minds exulcerated in themselves. Hooker.

loop forming part of anything, or a hole through anything, to receive a rope, hook, pin, shaft, etc.; as an eye at the end of a tie bar in a bridge truss; as an eye through a crank; an eye at the end of rope.

To thrash in the chaff; also, to cleanse or sift, as barley. [Prov. Eng.] Halliwell.

nstrument for winnowing grain, by moving which the grain is tossed and agitated, and the chaff is separated and blown away.

A niche in the side of an adit or shaft, for an air course. Knight.

h." Shak. Fast and loose pulleys (Mach.), two pulleys placed side by side on a revolving shaft, which is driven from another shaft by a band, and arranged to disengage and reëngage the machinery driven thereby. When the machinery is to be stopped, the band is transferred from the pulley fixed to the shaft to the pulley…

One of the fins or wings on the shaft of an arrow.