Learner's definition of CUSTODY
[noncount]
1
law : the legal right to take care of a child (such as a child whose parents are divorced)监护权；监护 -
She has sole custody of her daughter.她拥有对女儿的单独监护权。
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The judge granted/awarded custody to the grandparents.法官将监护权交给了祖父母。
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The parents have joint custody. [=both parents have custody]这对父母对孩子有共同监护权。
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a bitter custody battle [=a legal fight between divorced parents about who will take care of a child]对孩子监护权的激烈争夺
2
: the state of being kept in a prison or jail羁押；拘留；监禁 —
used after in or into用在in或into后 -
Several suspects in the killing are in custody.这起命案中的几名嫌疑犯被收押。
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He was taken into (police) custody last night and will be charged with murder today.他昨晚被（警方）羁押，今天将被控犯有谋杀罪。
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The witness is in protective custody. [=is being kept in a safe place by the police]那位证人正受到警方的保护性监禁。
3
formal : the act of protecting or taking care of something保管；保护；看护 —
often + of