- undescended testis, undescended testicle - a testis that fails to move into the scrotum as the male fetus develops; "undescended testicles have an increased risk for cancer"
--1 is a kind of testis, testicle, orchis, ball, ballock, bollock, nut, egg
--1 is a part of cryptorchidy, cryptorchidism, cryptorchism