1) 壱越いちこつ Link copied! いちこつ [0] Meaning Shirabe Noun music fundamental tone in the traditional Japanese 12-tone scale (approx. D) See also: 黄鐘 (おうしき), 十二律 (じゅうにりつ) Kanji 壱 イチ one (in documents) 越 エツ surpass, cross over, move to Forms 壱越壱越いちこついちこついちこつ