ˌzanəˈkelēə noun
Usage: capitalized
Etymology: New Latin, from Gian Girolamo Zannichelli died 1729 Italian botanist + New Latin -ia
: a small genus of aquatic plants (family Potamogetonaceae) of wide distribution having branching capillary stems, small acute leaves, and axillary flowers which with the leaves are originally enclosed in a hyaline envelope — see horned pondweed