半月瓣 Traditional form: 半月瓣 Pinyin (reading): bànyuèbàn Definitions: semilunar valve (anatomy) Characters: 半 - half; semi-, incomplete 月 - moon; month 瓣 - petal; segment; valve Traditional characters: 半 - half; semi-, incomplete 月 - moon; month 瓣 - petal; segment; valve