code word
US /ˈkoʊd wɜːrd/
UK /ˈkoʊd wɜːrd/

1.
kata kod, kata laluan
a word or phrase that has a secret meaning and is used to give a message or signal
:
•
The spies used a specific code word to identify each other.
Pengintip menggunakan kata kod tertentu untuk mengenal pasti satu sama lain.
•
Only those who knew the code word were allowed to enter.
Hanya mereka yang tahu kata kod dibenarkan masuk.