Source : Webster's Revised Unabridged Dictionary (1913)

Hematocele \He*mat"o*cele\, n. [Hemato- + Gr. ? tumor: cf. F.
   h['e]matoc[`e]le.] (Med.)
   A tumor filled with blood.

Source : WordNet®

hematocele
     n : swelling caused by blood collecting in a body cavity
         (especially a swelling of the membrane covering the
         testis) [syn: {haematocele}, {hematocoele}, {haematocoele}]