scrotum
n. C2 Proficiency UK //skɹˈəʊtəm// scro·tum
n. the external part of the body that holds the testicles. It is a skin-covered sac that helps keep the testicles at a temperature lower than the rest of the body.
n. the external scrotal sac containing the testes, which is essential for the production of sperm. It is a specialized structure that regulates temperature through muscular contraction and relaxation.
The scrotum contains the testicles.
The scrotum is sensitive to temperature changes, which is why it hangs outside the body to keep the testicles cool.
In many mammals, the scrotum is a secondary sexual characteristic that develops during puberty to facilitate the maturation of spermatozoa in a thermally regulated environment.
Learned borrowing from Latin scrōtum.