Ma'am has now become uncommon, although it is prescribed when addressing a queen: after first addressing her as “ Your Majesty ”, one uses ma’am . The word is still used to address female superiors who are members of royalty or in the armed forces and security services, as well as female teachers in grammar and public schools. MA'AM definition: 1. a polite way of talking to a woman: 2. in Britain, used to address the Queen, or a woman of…. Learn more. The meaning of MA'AM is madam —used without a name as a form of respectful or polite address to a woman. How to use ma'am in a sentence. Learn the differences between "mam," " ma'am ," and "madam" to enhance your polite language skills and navigate respectful address in conversations.