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Webster 1913 Edition


Pondweed

Pond′weedˊ

,
Noun.
(Bot.)
Any aquatic plant of the genus
Potamogeton
, of which many species are found in ponds or slow-moving rivers.
Choke pondweed
,
an American water weed (
Anarcharis Canadensis
, syn.
Elodea Canadensis
.) See
Anacharis
.
–
Horned pondweed
,
the
Zannichellia palustris
, a slender, branching aquatic plant, having pointed nutlets.