muffin
/ˈmʌfɪn/noun
1
- chiefly Brit.a flat circular spongy bread roll made from yeast dough and eaten split, toasted, and buttered〈主英〉英国松饼。
2
- chiefly N. Amer. a small domed spongy cake made with eggs and baking powder〈主北美〉（用鸡蛋和发酵粉制成的）美式拱顶小蛋糕。
词源
early 18th cent.: of unknown origin.