Home › Words › P › pondweedpondweedpondweed means any of several plants that grow in ponds or similar aquatic conditions:; Potamogeton, a diverse and worldwide genus.EtymologyFrom pond + weed.nounAny of several plants that grow in ponds or similar aquatic conditions:; Potamogeton, a diverse and worldwide genusAny of several plants that grow in ponds or similar aquatic conditions:; Elodea, found in North AmericaAny of several plants that grow in ponds or similar aquatic conditions:; Azolla, of cosmopolitan distributione.g.“If you have ever had a pond you will know Azolla, a.k.a. pondweed, duckweed fern or fairy moss.” — 2018, Tim Flannery, Europe: A Natural History, page 76:Any of several plants that grow in ponds or similar aquatic conditions:; Aponogeton, in Africa, Asia and AustralasiaAny of several plants that grow in ponds or similar aquatic conditions:; opposite-leaved pondweed, Groenlandia densa, only plant of its genus, found chiefly in the Mediterranean region.Charales, an order of green algaeDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.potamogeton 74% match — Any of the plants of the genus Potamogeton. vs pondweed →waterweed 72% match — Any of several aquatic herbs of the genus Elodea. vs pondweed →ribbonweed 70% match — Any of various marine and freshwater flowering plants:; Species of Posidonia vs pondweed →pickerelweed 67% match — Any of several freshwater plants, of the genus Pontederia, that have heart-shaped leaves vs pondweed →elodea 66% match — Any of several underwater freshwater perennials, of the genus Elodea, that have grasslike leaves; ditchmoss or pondweed. vs pondweed →lakeweed 65% match — The water pepper, an aquatic plant of the family Polygonaceae. vs pondweed →wireweed 64% match — Any member of the genus Polygonella, now included in genus Polygonum of knotweeds and smartweeds, especially Polygonella articulata, now Polygonum articulatum. vs pondweed →birdweed 63% match — Any of certain species of plants of the genus Polygonum, especially vs pondweed →