Con*ges"tion (?; 106), n. [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 hyperæmia,
active or passive; as, arterial congestion; venous
congestion; congestion of the lungs.