backup

/ˈbækʌp/ noun

Definition

SUPPORT [C, U] › extra help, support, or equipment which is available if you need it: Medical staff are on call to provide backup in case of an emergency.

COMPUTER [C] › an extra copy of computer information: to make a backup

(Definition of backup noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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“backup” in other dictionaries

in Spanish
in Turkish

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backside noun
backslash noun
backstage adverb
backstroke noun
backtrack verb
backup noun
backward adjective
backwards adverb
backyard noun
bacon noun
bacteria noun

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