螺鈿 らでん Meanings Noun nacre; mother of pearl Kanji 螺 small, edible, helical fresh-water mollusk. Read as ラ. 鈿 ornamental hairpiece. Read as デン. Words containing 螺鈿 螺鈿細工 (らでんざいく) mother-of-pearl inlay Jinuma: Japanese Dictionary · Word lists