Term: male hypogonadism: the state of being a eunuch (either because of lacking testicles or because they failed to develop)
Broader: hypogonadism: incompetence of the gonads (especially in the male with low testosterone); results in deficient development of secondary sex characteristics and (in prepubertal males) a body with long legs and a short trunk | Unrelated: bean: any of various leguminous plants grown for their edible seeds and pods