'Hydrarthrosis' definitions:

Definition of 'hydrarthrosis'

From: WordNet
noun
Inflammation and swelling of a movable joint because of excess synovial fluid

Definition of 'Hydrarthrosis'

From: GCIDE
  • 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]