とつけい 凸形 LinksSentence search for 凸形Sentence search for とつけいKanji details for 凸 and 形Edit in JMdict Noun which may take the genitive case particle 'no', Noun1. convex; cuspid; gibbousSee also 凸型, Antonym: 凹形 Discussions Log in to talk about this word.