reservecopy

noun

UK /rɪˈzɜːvˌkɒpi/

US /rɪˈzɜːrvˌkɑːpi/

A reserve copy is an extra copy of something kept in case the first one gets lost or broken.

The librarian keeps a reserve copy of the book so kids can still read it if the main one is damaged.

SYNONYMS

backup spare duplicate extra standby

RELATED WORDS

copy original archive backup file safety copy

OTHER MEANINGS

2. A second copy of a document stored in a different place for safety.

She saved a reserve copy of her essay on a USB stick.

3. An extra item kept in storage until it is needed.

The shop keeps a reserve copy of every game in the back room.

4. A duplicate version of a file made before changes are made.

Make a reserve copy before you edit the photo.