1. the plural form of testis; the male reproductive organs that produce sperm and hormones
Usage: medical; anatomical

Examples

• The doctor explained that the testes are located in the scrotum.
• Testosterone is produced by the testes.
• The veterinarian examined the dog’s testes during the checkup.
• In mammals, the testes typically descend before birth.
• The biology textbook described the function of the testes in reproduction.
• Cancer of the testes is most common in young men.