Con*ges"tion [L. congestio: cf. F. congestion.]
1.
The act of gathering into a heap or mass; accumulation.
[Obs.]
The congestion of dead bodies one upon another.
Evelyn.
2. Med.
Overfullness of the capillary and other blood vessels, etc., in any locality or organ (often producing other morbid symptoms); local hypermic, active or passive; as, arterial congestion; venous congestion; congestion of the lungs.
© Webster 1913.