testicle
/ˈtɛstɪkəl/
noun
- Either of the two male reproductive organs that produce sperm and testosterone, located in the scrotum.
- An injury to a testicle can cause severe pain and swelling.
- The doctor explained that each testicle is responsible for producing sperm.
- Male mammals have two testicles that hang outside the body to keep sperm cool.
Antonyms