Definitions of custody
(CRIMINAL LAW) the state of being sent to prison or kept in a police cell, especially while waiting to go to court for trial (aka penal custody)
A 22-year-old man has been arrested and is in police custody.
(FAMILY LAW) the legal right or duty to care for a thing or a person, especially a child after its parents have separated or died
Elian's great-uncle fought unsuccessfully to keep the child in Miami during a dramatic custody battle.