DAMPER n.
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…
DOWN a.
rd; going down; sloping; as, a down stroke; a down grade; a down train on a railway. Down draught, a downward draft, as in a flue, chimney, shaft of a mine, etc. -- Down in the mouth, chopfallen; dejected.
EXHAUST a.
that is released from the cylinder of an engine after having preformed its work. Exhaust draught, a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through. -- Exhaust fan, a fan blower so arranged as to produce an exhaust draught, or to draw air or gas out of a pla…