Search gender: all male female Daidai Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: daidai Katakana: ダイダイ 0 Kanji: 橙 Meaning: 橙Bitter orange (a kind of fruit tree). A fruit of the mandarin orange family. The fruit is used to decorate Kagamimochi (mirror-shaped rice cakes) and the center of Shimenawa (ropes) at New Year's. It is considered a fruit of good luck. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Daidai Boy Name Meaning, Kanji Variations.