cusp
cusp 1 In reference to a heart valve, a triangular segment of the valve, which opens and closes with the flow of blood. 2 In reference to teeth, a raised area of the biting surface.
cusp 1 In reference to a heart valve, a triangular segment of the valve, which opens and closes with the flow of blood. 2 In reference to teeth, a raised area of the biting surface.
