hematocele n 1: swelling caused by blood collecting in a body cavity (especially a swelling of the membrane covering the testis) [syn: {hematocele}, {haematocele}, {hematocoele}, {haematocoele}]
Hematocele \He*mat"o*cele\, n. [Hemato- + Gr. ? tumor: cf. F. h['e]matoc[`e]le.] (Med.) A tumor filled with blood. [1913 Webster]