a small occasional table, usually having a round or oval top, with drop leaves supported by swinging brackets pivoted to the stretchers and to the underside of the top.
a clack valve having two flaps with a common hinge. a valve, as the throttle valve in a carburetor, that swings about a central axis across its face. noun a disc that acts as a valve by turning about a diameter, esp one used as the throttle valve in a carburettor a non-return valve consisting […]
a wooden fastening in the form of a double dovetail for joining two boards at their edges.