code word

US /ˈkoʊd wɜːrd/
UK /ˈkoʊd wɜːrd/
"code word" picture
1.

kata sandi, kode rahasia

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.
Mata-mata menggunakan kata sandi tertentu untuk mengidentifikasi satu sama lain.
Only those who knew the code word were allowed to enter.
Hanya mereka yang tahu kata sandi yang diizinkan masuk.