GNU Collaborative International Dictionary of English

last match results

Found one definition

1.       
   damper (dămˈpẽr), n. 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.
   
   [1913 Webster]
   
   Nor did Sabrina's presence seem to act as any damper at the modest little festivities. W. Black.
   
   [1913 Webster]