tuber
/ˈtjuːbə(r)/noun
1
- a much thickened underground part of a stem or rhizome, e.g. in the potato, serving as a food reserve and bearing buds from which new plants arise块茎。
1.1
- a tuberous root, e.g. of the dahlia块根。
2
- Anatomy a rounded swelling or protuberant part【剖】结节, 隆起, 肿胀。
词源
mid 17th cent.: from Latin, literally 'hump, swelling'.