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a pendulum or musical string. As a harper lays his open palm Upon his harp, to deaden its vibrations. Longfellow.

bell. Æolian attachment, a contrivance often attached to a pianoforte, which prolongs the vibrations, increases the

synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.

A hook, eyelet, or other device by which a piano wire is so held as to limit the vibration.

ine passing through the center about which it vibrates, and perpendicular to the plane of vibration. -- Axis of polarization, the central line around which the prismatic rings or curves are arranged. Brewster. -- Axis of revolution (Descriptive Geom.), a straight line about which some line or plane is revolved, so th…

nd less intensity, so as to produce a pulsating effect; -- said of instruments, tones, or vibrations, not perfectly in unison. A beating wind (Naut.), a wind which necessitates tacking in order to make progress. -- To beat about, to try to find; to search by various means or ways. Addison. -- To beat about the bush,…

A covering to protect the arm of the bowman from the vibration of the string; also, a brassart. Chaucer.

angles to the strings of a violin, guitar, etc., serving of raise them and transmit their vibrations to the body of the instrument.

That which coexists with another. The law of coexistent vibrations. Whewell.

to check or regulate the draught of air. (b) A contrivance, as in a pianoforte, to deaden vibrations; or, as in other pieces of mechanism, to check some action at a particular time. Nor did Sabrina's presence seem to act as any damper at the modest little festivities. W. Black.

A complete course or vibration; time of vibration, as of a pendulum. [Obs.] Locke.

nds which strikes the ear harshly or disagreeably, owing to the incommensurability of the vibrations which they produce; want of musical concord or harmony; a chord demanding resolution into a concord. For a discord itself is but a harshness of divers sounds mBacon. Apple of discord. See under Apple.…

ork with the pendulum or balance, giving to the latter the impulse by which it is kept in vibration; -- so called because it allows a tooth to escape from a pallet at each vibration.

The weakening of a metal when subjected to repeated vibrations or strains. Fatigue call (Mil.), a summons, by bugle or drum, to perform fatigue duties. -- Fatigue dress, the working dress of soldiers. -- Fatigue duty (Mil.), labor exacted from soldiers aside from the use of arms. Farrow. -- Fatigue party, a party of…

n jerk; a quick throw or cast; a darting motion; hence, a jeer. Several little flirts and vibrations. Addison. With many a flirt and flutter. E. A. Poe.

To move in bold or irregular figures; to swing about in circles or vibrations by way of show or triumph; to brandish. And flourishes his blade in spite of me. Shak.

hard woods. -- Flute pipe, an organ pipe having a sharp lip or wind-cutter which imparts vibrations to Knight.

To move with quick vibrations or undulations; as, a sail flutters in the wind; a fluttering fan.

The act of fluttering; quick and irregular motion; vibration; as, the flutter of a fan. The chirp and flutter of some single bird Milnes. .

Palpable vibration or thrill; as, the rhonchial fremitus.