hygroma

plural hygromas · plural hygromata

1. medicinea discrete, fluid-filled sac
   1. medicineSuch that can form on the joints of dogs or other animals in response to repeated pressure.

      Examples of such a condition are to be found in bog-spavin, in hygroma of the stifle, and sometimes in the fetlock.

      1906, Harry Caulton Reeks, Diseases of the Horse's Foot

      1 more example

      When the hemorrhage is limited the symptoms may not become noticeable; if it is near the surface of the body a round or diffuse swelling or tumor may form, constituting a hygroma.

      1916, United States Department of Agriculture, Special Report on Diseases of the Horse

   2. medicineSynonym of false bursa

      Synonyms: false bursa