noun · a support used as an aid for walking

他腿脚不便，出门得拄着一对拐子。

noun · a person who abducts or traffics others, especially children or women

那个拐子试图用糖果诱骗小孩跟他走。

noun · a derogatory term for a person who is lame or has a walking disability

在旧社会，身体残疾的人常被轻蔑地称为拐子。