褌祝い へこいわい Also written ふんどしいわい, たふさぎいわい, 褌祝, 兵児祝 Meanings Noun coming of age ceremony where boys get a new loincloth and girls a new underskirt Kanji 褌 loincloth 祝 celebrate. Read as いわう. Jinuma: Japanese Dictionary · Word lists