Source : Webster's Revised Unabridged Dictionary (1913)

Ascites \As*ci"tes\, n. [L., fr. Gr. ? (sc. ? disease), fr. ?
   bladder, belly.] (Med.)
   A collection of serous fluid in the cavity of the abdomen;
   dropsy of the peritoneum. --Dunglison.

Source : WordNet®

ascites
     n : accumulation of serous fluid in peritoneal cavity