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That oscillates; vibrating; swinging. Oscillating engine, a steam engine whose cylinder oscillates on trunnions instead of being permanently fixed in a perpendicular or other direction. Weale.

A current alternating in direction.

A heavy iron lever having an oscillating motion on a central axis, one end of which is connected with the piston rod from which it receives motion, and the other with the crank of the wheel shaft; -- called also working beam or walking beam.

A bed or cot for a baby, oscillating on rockers or swinginng on pivots; hence, the place of origin, or in which anything is nurtured or protected in the earlier period of existence; as, a cradle of crime; the cradle of liberty. The cradle that received thee at thy birth. Cowper. No sooner was I crept out of my cradle B…

The state of oscillating; a seesaw kind of motion. [R.]

The act of oscillating; a swinging or moving backward and forward, like a pendulum; vibration.

Moving, or characterized by motion, backward and forward like a pendulum; swinging; oscillating; vibratory; as, oscillatory motion.

g, and so ascertaining the distance passed over. It is usually in the form of a watch; an oscillating weight by the motion of the body causes the index to advance a certain distance at each step.

An oscillating bar in a machine, as the lever of the bellows of a forge.

The oscillating movement of a vessel from side to side, in sea way, as distinguished from the alternate rise and fall of bow and stern called pitching.

ontinuous rotary motion, as by means of a connecting rod, a working beam and crank, or an oscillating cylinder.

signal telegraph; an apparatus for giving signals by the disposition of lanterns, flags, oscillating arms, etc.

The act of swinging; a waving, oscillating, or vibratory motion of a hanging or pivoted object; oscillation; as, the swing of a pendulum.

A transformer without iron, for high frequency alternating or oscillating currents; an oscillation transformer.

A gudgeon on each side of an oscillating steam cylinder, to support it. It is usually tubular, to convey steam. Trunnion plate (Gun.), a plate in the carriage of a gun, mortar, or howitzer, which covers the upper part of the cheek, and forms a bearing under the trunnion. -- Trunnion ring (Gun.), a ring on a cannon nex…

Provided with trunnions; as, the trunnioned cylinder of an oscillating steam engine.

To produce an oscillating or quivering effect of sound; as, a whisper vibrates on the ear. Pope.