tuber
tuber — noun
- tubersingular
- tubersplural
1. a thick, fleshy part of a plant that grows under the soil and stores food; it ca
a thick, fleshy part of a plant that grows under the soil and stores food; it can also sprout and grow into a whole new plant — the potato is a familiar example
Deepa dug up the potato tubers from her garden and laid them in the sun.
dig up + tubers (harvesting collocation)
The sweet potato is a tuber that grows well in warm, sandy soil.
In the market, Fatima picked out three firm yam tubers for the evening stew.
The children watched as a cassava tuber was pulled from the earth, thick and brown.
A dahlia tuber kept in a cool, dry place will sprout again in spring.
- rhizome
a horizontal underground stem (e.g. ginger); unlike a tuber, it grows sideways and is not as thick or rounded
- corm
a short, swollen underground stem base (e.g. taro); it is replaced each year, while a tuber can last multiple seasons
- bulb
a layered underground storage organ (e.g. onion, garlic); made of overlapping leaf bases, not solid flesh like a tuber
用法筆記
Common in gardening, farming, and botany contexts. In everyday English, people more often use the specific name — potato, yam, dahlia — rather than the general word tuber.