noun
horned pondweed: completely submerged herbs; in some classifications included in Potamogetonaceae
• Syn: ↑Zannichellia
• Hypernyms: ↑monocot genus, ↑liliopsid genus
• Member Holonyms: ↑Zannichelliaceae, ↑family Zannichelliaceae
Useful english dictionary. 2012.