MUFFIN Meaning of MUFFIN in English ■ noun1》 ( N. Amer. English ~ ) a thick, flattened spongy bread roll made from yeast dough and eaten split, toasted, and buttered. 2》 a small domed cake.OriginC18: of unknown origin. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004