noun
submerged freshwater perennials
• Hypernyms: ↑monocot genus, ↑liliopsid genus
• Member Holonyms: ↑Hydrocharitaceae, ↑family Hydrocharitaceae, ↑Hydrocharidaceae, ↑family Hydrocharidaceae, ↑frogbit family, ↑frog's-bit family
• Member Meronyms: ↑waterweed
Useful english dictionary. 2012.