1. Meronyms (parts of "Cryptorchism"): undescended testicle; undescended testis (a testis that fails to move into the scrotum as the male fetus develops) Hyponyms (each of the following is a kind of "Cryptorchism"): monorchidism; monorchism (failure of one testes to descend into the scrotum)

2. Cryptorchidy - failure of one or both testes to move into the scrotum as the male fetus develops Cryptorchidism, cryptorchism undescended testicle, undescended testis - a testis that fails to move into the scrotum as the male fetus develops; "undescended testicles have an increased risk for cancer" monorchidism, monorchism - failure