damper Meaning, Definition & Usage

  1. noun a movable iron plate that regulates the draft in a stove or chimney or furnace
  2. noun a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
    muffler.
  3. noun a depressing restraint
    • rain put a damper on our picnic plans
  4. adjective satellite slightly wet
    dampish; damp; moist.
    • clothes damp with perspiration
    • a moist breeze
    • eyes moist with tears

WordNet


Damp"er noun
Definitions
  1. That which damps or checks; as: (a) 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. (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.

Webster 1913