Definitions for: Hydrothorax

[n] accumulation of fluid in the pleural cavity (the space between the lungs and the walls of the chest) often resulting from disease of the heart or kidneys

Webster (1913) Definition: Hy`dro*tho"rax, n. [Hydro-, 1 + thorax.] (Med.)
An accumulation of serous fluid in the cavity of the chest.

See Also: congestion