三枚おろし さんまいおろし Also written 三枚下ろし, 三枚卸し, 三枚下し Meanings Noun filleting a fish (into boneless left and right halves and a piece with the skeleton) See also: さんまい. Kanji 三 three. Read as サン. 枚 sheet. Read as マイ. Jinuma: Japanese Dictionary · Word lists