cut one’s hair; get a haircut머리 can mean either “hair” or “head.” In everyday conversation, this usually means getting a haircut. In a context involving violence, it can mean cutting off someone’s head.
KO: ‘머리를 자르다’는 미용실에서 자주 쓰는 표현이에요.
EN: “머리를 자르다” is an expression often used at a hair salon.