1. one that deadens, restrains, or depresses: rain put a damper on our picnic plans.
2. an adjustable plate, as in the flue of a furnace or stove, for controlling the draft.
3. music A device in various keyboard instruments for deadening the vibrations of the strings.
4. music A mute for various brass instruments.
5. A device that eliminates or progressively diminishes vibrations or oscillations, as of a magnetic needle.

1. something that damps or checks:
2. bread made from a basic recipe of flour, water, milk, and salt, but without yeast.
3. comparative form of damp: more damp

1. A valve or movable plate in the flue or other part of a stove, furnace, etc., used to check or regulate the draught of air.
2. A contrivance, as in a pianoforte, to deaden vibrations; or, as in other pieces of mechanism, to check some action at a particular time.

1. one who or that which damps.
2. A kind of unfermented bread, made of flour and water, and generally baked on a stone.
3.

1. a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
2. a movable iron plate that regulates the draft in a stove or chimney or furnace
3. a depressing restraint