n.

1. 【植】小块茎，小瘤，小突
2. 【解】【医】结节，小结；结核节，结核

n.

1. Anatomy,  Zoology,  & Botany  a small rounded projection or protuberance, especially on a bone or on the surface of an animal or plant.
2. Medicine  a small nodular lesion in the lungs or other tissues, characteristic of tuberculosis.