/sil ʌv ˈɔfɪs/ – Phrase
Definition: dấu chức vụ.
A more thorough explanation: The legal English definition of the term “seal of office” refers to an official emblem or device used by a public official to authenticate documents or attest to the authority of the office holder. It is typically affixed to official documents to signify that they have been duly authorized or executed by the relevant office or authority. The seal of office is an important symbol of the official capacity and power vested in a particular office holder.
Example: The mayor affixed the seal of office to the official documents to authenticate them.