black widow, Latrodectus mactans
['echidna, spiny anteater, anteater', 'thunder snake, worm snake, Carphophis amoenus', 'sloth bear, Melursus ursinus, Ursus ursinus', "plunger, plumber's helper", 'wool, woolen, woollen', 'racket, racquet', 'mushroom']