waterweed
— Noun
– English
~ a weedy aquatic plant of genus Elodea
waterwheel
— Noun
– English
~ a wheel with buckets attached to its rim; raises water from a stream or pond
waterwheel
— Noun
– English
~ a wheel that rotates by direct action of water; a simple turbine
waterwheel plant
— Noun
– English
~ floating aquatic carnivorous perennial of central and southern Europe, Africa, Asia, Australia having whorls of 6 to 9 leaves ending in hinged lobes for capturing e.g. water fleas