n.[C]

1. 【植】块茎
2. 【解】结节；隆起；肿胀

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.