boxing ring Discuss this oxymoron in the comments below. Hapscan Never seen a round boxing ring. They be square. A ring can't be square (the outside doesn't count, as in a square wedding ring, because it's still a ring). A square can't be a ring. Passes the test of an oxymoron. Lesegog Its like a round box Lesegog Its like a round box Forte Definition of Ring: Verb. Surround (someone or something), esp. for protection or containment. Not an oxymoron.