せいほうけい 正方形 Common word JLPT N2 LinksSentence search for 正方形Sentence search for せいほうけいKanji details for 正, 方 and 形Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. squareWikipedia definition2. Square (geometry) Discussions Log in to talk about this word.