cipher

noun
1
a secret way of writing, especially one in which a set of letters or symbols is used to represent others
رمز, رمزینه, کتابت سری
see also decipher
2
a person or thing of no importance
هیچ‌کس, ناچیز, بی‌اهمیت, بی‌ارزش, فرد بی‌اهمیت, کس بی‌ارزش, آدم بی‌اهمیت
To her employers she was a mere cipher, with no human feelings at all.
3
the first letters of somebody’s name combined in a design and used to mark things
حروف نام, منوگرام
The glasses were engraved with the Queen’s cipher.