1
- a strong covering holding the pages of a book together（书籍的）封皮。
1.1
- mass noun fabric such as braid used for binding the edges of a piece of material镶边, 滚条。
2
- （亦作ski binding）Skiing a mechanical device fixed to a ski to grip a ski boot, especially either of a pair used for downhill skiing which hold the toe and heel of the boot and release it automatically in a fall【滑雪】靴扣（固定在滑雪板上的机械装置, 紧扣滑雪靴, 用于下坡; 滑雪者摔倒时靴扣自动放松）。
3
- mass noun the action of fastening or holding together, or of being linked by chemical bonds黏合, 稠合：
the binding of antibodies to cell surfaces.
将抗体黏合到细胞表面。
4
- (in Chomskyan linguistics) the relationship between a referentially dependent noun (such as a reflexive) and the independent noun phrase which determines its reference（乔姆斯基语言学）（反身词与原词之间的）黏连关系。
- (of an agreement or promise) involving an obligation that cannot be broken（协议, 承诺）有约束力的, 必须遵守的：
business agreements are intended to be legally binding.
商务合同的目的是要从法律上起约束作用。