A cystlike lesion resulting from the effusion of chyle into the tunica vaginalis propria and cavity of the tunica vaginalis testis. ... Origin: chylo-+ G. Kele, tumour ... (05 Mar 2000) ... 
Type: Term Pronunciation: kī′lō-sēl Definitions: 1. An effusion of chyle into the tunica vaginalis propria and space of the tunica vaginalis testis.