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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 zitherlike musical instrument, provided with dampers which, when depressed, deaden some strings, leaving free others that form a chord.

A lever or key acted on by the foot, as in the pianoforte to raise the dampers, or in the organ to open and close certain pipes; a treadle, as in a lathe or a bicycle.

e, etc., for regulating the admission of air to the fuel; also, an arrangement containing dampers or shutters, as in the floor or wall of a room or passage, or in a chimney, for admitting or excluding heated air, or for regulating ventilation.

See Damper, and 5th Mute.

al expansion of different metals, liquids, or gases by heat, as in opening or closing the damper of a stove, or the like, as the heat becomes greater or less than is desired.