凸面

凸面	tū miàn	convex surface
凸	tū	to stick out; protruding; convex; male (connector etc) / Taiwan pr. [tu2]
面	miàn	face / side / surface / aspect / top / classifier for objects with flat surfaces such as drums, mirrors, flags etc
面	miàn	variant of 面
面	miàn	flour / noodles / (of food) soft (not crunchy) / (slang) (of a person) ineffectual / spineless