switchcode
nounUK /ˈswɪtʃkəʊd/
US /ˈswɪtʃkoʊd/
A switchcode is a secret set of letters or numbers you use to change something.
She typed the switchcode to unlock the game.
OTHER MEANINGS
2. A special command that changes a computer program from one mode to another.
The programmer used a switchcode to flip the app into test mode.
3. A hidden signal that tells a machine to turn on or off.
The toy robot moved when it heard the switchcode.
4. A private word friends use to swap places in a game.
They shouted the switchcode and traded teams.