ひまる 日の丸 Common word JLPT N1 LinksSentence search for 日の丸Sentence search for ひのまるKanji details for 日 and 丸Edit in JMdict Noun1. outline of the Sun (esp. represented as a red circle)Noun2. the Japanese flagAbbreviation, See also 日の丸の旗そのひ日、ひのまる日の丸のはた旗がはためいていた。On that day, Japanese flags were flying. Discussions Log in to talk about this word.