ascites

from WordNet (r) 3.0 (2006)

ascites
    n 1: accumulation of serous fluid in peritoneal cavity

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster] Ascitic