Mail-motto word is a term used to describe a phrase or saying that is used to represent an organization, such as a company or school. It is usually short and memorable, and is often used in promotional materials or on websites. The crossword solutions for the term mail-motto word are NOR, which stands for 'Not On Record'. This phrase is used to indicate that something is not officially recorded or documented. It is often used in legal documents to indicate that a certain statement or action is not officially recognized.