红背蜘蛛 hóngbèizhīzhū redback spider Origin Definitions Defs Strokes Stroke Words Sentences Sents 红 紅 hóng adjective red the color of blood; having a reddish color背 bèi noun back the back of a person or animal蜘蛛 zhīzhū noun spider An eight-legged arthropod that spins webs to catch insects.