柯林斯詞典vas deferens /?v?s ?d?f??r?nz/ 1. N the duct that conveys spermatozoa from the epididymis to the urethra 輸精管[anatomy] 返回 vas deferens劍橋詞典the tube through which a male's sperm pass on the way out of the body 輸精管 返回 vas deferens