upside-down cake noun
plural upside-down cakes
plural upside-down cakes
Learner's definition of UPSIDE-DOWN CAKE
[count, noncount] US
: a cake that is baked with a layer of fruit (such as pineapple) on the bottom and then turned over and served with the fruit side up（烘制蛋糕时在底部填一层水果，食用时将其倒扣使水果面朝上的）倒置型水果蛋糕