guardcode

noun
UK /ˈɡɑːd.kəʊd/
US /ˈɡɑːrd.koʊd/

A guardcode is a secret set of letters or numbers that keeps something safe.

Only the captain knows the guardcode to open the treasure chest.


OTHER MEANINGS

2. A rule that tells guards how to do their job.

The new guardcode says guards must check every visitor's badge.

3. A special code used to protect a computer or game account.

He typed the guardcode to unlock his game profile.

4. A hidden signal that only certain people understand.

The team used a guardcode to warn each other during the game.