gonad
🇺🇸
/ˈɡəʊnæd/
🇬🇧
/ˈɡəʊnæd/
An organ in the body that makes the cells needed for reproduction.
The doctor explained that the gonads are crucial for human reproduction.
医師は性腺が人間の繁殖に欠かせないと説明しました。