==Rationale for fair use in article Captain Beefheart== ...
A collection of water (hydrocele) in the testis, as in the tunica vaginalis or along the spermatic cord. ... Origin: hydro-+ G. Orchis, testicle ... (05 Mar 2000) ... 
Type: Term Pronunciation: hī-drōr′kis Definitions: 1. Obsolete term for collection of fluid (hydrocele) around the testis, as in the tunica vaginalis or along the spermatic cord.
hydrorchis A collection of water (hydrocele) in the testis, as in the tunica vaginalis or along the spermatic cord.