凸出 Traditional form: 凸出 Pinyin (reading): tūchū Definitions: to protrude to stick out Characters: 凸 - to protrude, to bulge out; convex 出 - to go out, to send out; stand; produce Traditional characters: 凸 - to protrude, to bulge out; convex 出 - to go out, to send out; stand; produce