tuber
🇺🇸
/ˈtuːbər/
🇬🇧
/ˈtjuːbə(r)/
a thick, round part of some plants that grows underground. It stores food and can grow into a new plant.
We dug up several tubers to plant in our new vegetable garden.
新しい野菜畑に植えるために、いくつかの塊茎を掘り起こしました。