CL button (U+1F191)

The emoji "🆑" is called "Cancel Button" and it depicts a circular button with a diagonal line through it. This emoji is often used to represent the action of canceling or rejecting something, such as a request, an invitation, or an action. It can also be used to indicate that something is not allowed or prohibited. In some cases, it may also be used to represent the idea of "undo" or "go back" in a digital context. Overall, the "Cancel Button" emoji is a quick and convenient way to express the concept of canceling or reversing an action in digital communication.