Congestion

Part of speech: noun (n.)

1. The act of gathering into a heap or mass; accumulation. [Obs.] The congestion of dead bodies one upon another. Evelyn.

2. Overfullness of the capillary and other blood vessels, etc., in any locality or organ (often producing other morbid symptoms); local hyperas, arterial congestion; venous congestion; congestion of the lungs.