Testicle (noun)

1. Each of the two oval organs that produce sperm in men and are located in the scrotum.
2. The testicle of animals.

Origin:

From the latin word "testis" meaning "witness", referring to the ancient belief that a man"s testicles were necessary for him to give testimony in court.

Examples:

1. He hit him in the testicles and he fell to the ground.
2. The bull has two testicles.
3. His testicles were removed during the surgery.
4. Testicles are also known as testes or gonads.
5. The testicles are responsible for producing sperm and testosterone.