Circled M

The "Ⓜ️" emote, also known as the "Circled M" emote, is a symbol consisting of a capital letter "M" enclosed in a circle. It is commonly used to represent the word "metro" or "metropolitan," and is often used in transportation-related contexts such as maps, signs, and schedules. The symbol is part of the Unicode character set and can be found in various fonts and character maps.