羽裂 Traditional form: 羽裂 Pinyin (reading): yǔliè Definitions: pinnation (splitting of leaves into lobes) Characters: 羽 - feather, plume; wings 裂 - to split, to rend; crevice, crack Traditional characters: 羽 - feather, plume; wings 裂 - to split, to rend; crevice, crack