* is not an operator in Lisp. It's a function. Lisp doesn't have operators. To be more precise, cl:* is a function. But you can make a symbol named "*" in a

* is not an operator in Lisp. It's a function. Lisp doesn't have operators. To be more precise, cl:* is a function. But you can make a symbol named "*" in another package and define it however you like.