沙蚕 Traditional form: 沙蠶 Pinyin (reading): shācán Definitions: genus Nereis, with species including the sandworm and the clam worm Characters: 沙 - sand, gravel, pebbles; granulated 蚕 - silkworm Traditional characters: 沙 - sand, gravel, pebbles; granulated 蠶 - silkworm