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1 (botany 植)
(a) knob on a root or branch (根或枝上的)瘤, 节.
(b) point on the stem of a plant where a leaf or bud grows out 茎节(长叶或发芽的部位).
2 hard swelling, eg on a joint in the human body 硬结(如生於人体关结处的).
3 (physics 物) point or line in a vibrating body that remains still (物理)波节(振动体的静止点或线).
4 (mathematics 数) point at which a curve crosses itself (数学)结点(曲线本身的交点); 叉点.