Search Result for "hydrarthrosis": 
Wordnet 3.0

NOUN (1)

1. inflammation and swelling of a movable joint because of excess synovial fluid; 



The Collaborative International Dictionary of English v.0.48:

Hydrarthrosis \Hy`drar*thro"sis\, n. [NL. See Hydro-, 1, and
   Arthrosis.] (Med.)
   An effusion of watery liquid into the cavity of a joint.
   [1913 Webster]


WordNet (r) 3.0 (2006):

hydrarthrosis
    n 1: inflammation and swelling of a movable joint because of
         excess synovial fluid