slavery or involuntary servitude; serfdom. the state of being bound by or subjected to some external power or control. the state or practice of being physically restrained, as by being tied up, chained, or put in handcuffs, for sexual gratification.
bondage definition: 1. the state of being another person's slave (= a person who is owned by them and has to work for. Learn more.
In the BDSM subculture, Bondage is the practice of consensually tying, binding, or restraining a partner for erotic, aesthetic, or somatosensory stimulation.