n.[C]

1. 【植】塊莖
   The tubers of the plant are very small.

   這種植物的塊莖很小。

2. 【解】結節；隆起；腫脹
   A small tuber was detected in her armpit.

   發現她腋下有個小結節。

n.

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.
   ▸a thickened fleshy root, e.g. of the dahlia.
2. Anatomy  a rounded swelling or protuberant part.