from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various submersed aquatic herbs of the genus Elodea, native to the New World, having opposite or whorled one-nerved narrow leaves and small axillary flowers.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several aquatic herbs of the genus Elodea

from the GNU version of the Collaborative International Dictionary of English

  • n. See anacharis.

from The Century Dictionary and Cyclopedia

  • n. Any wild aquatic plant without special use or beauty.
  • n. Specifically, the choke-pondweed or water-thyme, Elodea Canadensis (Anacharis Alsinas-trum), of the Hydrocharideæ. See pondweed and Babington's-curse.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a weedy aquatic plant of genus Elodea


Sorry, no etymologies found.


  • She had dragged a little waterweed from under the ice and was now being deprived of it by her drake.

    The Dressmaker

  • Slippery as waterweed, that's what Jamie said about my-

    Sick Cycle Carousel

  • Un Mauvais Quart d'Heure After Another I delicately removed a strand of still-damp waterweed from my sleeve and placed it squarely in the center of the blotter.

    Sick Cycle Carousel

  • I guess I must have hummed along or waved my flask to the old familiar march, for presently the villain Augustus (a frightful handle to fix on a decent enough urchin, but no work of mine) detached himself from the waterweed and came to stand snottering before me with his head on one side, thoughtful-like.


  • Eels swaying through the waterweed and nosing up to the surface, a turtle sunning itself on a rock and stretching a hind leg lazily, and great big bearded dragons posed on rocks with their tails hanging down into the path, scaring – and being scared by – small children.

    Illustration Friday: Pattern

  • The two weeds, giant sensitive plant Mimosa pigra and the waterweed Salvinia molesta, are currently of great concern because they can easily come to dominate wetland areas.

    Kakadu National Park, Australia

  • The vegetation of these plains changes more or less continuously throughout the wet-dry cycle, from permanent open water communities, invaded by the waterweed Salvinia molesta, which, with the giant sensitive plant Mimosa pigra, is rampant, and to ephemeral communities of herbs, grasses and sedges associated with seasonally flooded, cracking clay soils that dry out completely in the dry season when the southern hills become a refuge for the Park's fauna.

    Kakadu National Park, Australia

  • Salvinia is an invasive waterweed that grows in Kakadu National Park.

    Kakadu National Park, Australia

  • Of meadowgrass and riverflags, the bulrush and waterweed, and of fallen griefs of weeping willow.

    Finnegans Wake

  • Now the fever dreams were gone, though, and sleep was a lake of deep black water, where I breathed oblivion and drifted past the waving waterweed, mindless as a fish.

    A Breath of Snow and Ashes


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