Noun | 1. | ![]() system - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion" germ cell, reproductive cell, sex cell - a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation apparatus urogenitalis, genitourinary apparatus, genitourinary system, systema urogenitale, urinary apparatus, urinary system, urogenital apparatus, urogenital system - the system that includes all organs involved in reproduction and in the formation and voidance of urine reproductive organ, sex organ - any organ involved in sexual reproduction female reproductive system - the reproductive system of females male reproductive system - the reproductive system of males |