gonad
/ˈɡoʊnæd/
noun
- An organ that produces reproductive cells (eggs or sperm) and sex hormones; a testis or ovary.
- The doctor explained that the gonads begin to develop early in fetal growth.
- In humans, the gonads are the ovaries in females and the testes in males.
- Hormones released by the gonads control many changes during puberty.