ratsbane
— Noun
– English
~ a white powdered poisonous trioxide of arsenic; used in manufacturing glass and as a pesticide (rat poison) and weed killer
rattail cactus
— Noun
– English
~ commonly cultivated tropical American cactus having slender creeping stems and very large showy crimson flowers that bloom for several days
rattail fish
— Noun
– English
~ deep-sea fish with a large head and body and long tapering tail