knotgrass
noun Date: 1538 1. a cosmopolitan prostrate weed (Polygonum aviculare) of the buckwheat family with jointed stems, prominent sheathing stipules, and minute flowers; broadly any of several congeneric plants 2. any of several grasses (as Paspalum distichum) with markedly jointed stems

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Knotgrass — Knot grass , n. (Bot.) (a) a common weed with jointed stems {(Polygonum aviculare)}; knotweed. (b) The dog grass. See under {Dog}. [1913 Webster] Note: An infusion of {Polygonum aviculare} was once supposed to have the effect of stopping the… …   The Collaborative International Dictionary of English

  • knotgrass — [nät′wēd΄nät′gras΄] n. 1. any of several weedy plants (genus Polygonum) of the buckwheat family; esp., a common weed ( P. aviculare) with slender stems, narrow leaves, and small axillary flowers: often called knotweed [nät′wēd΄ ] ☆ 2. a creeping… …   Universalium

  • knotgrass — [nät′wēd΄nät′gras΄] n. 1. any of several weedy plants (genus Polygonum) of the buckwheat family; esp., a common weed ( P. aviculare) with slender stems, narrow leaves, and small axillary flowers: often called knotweed [nät′wēd΄ ] ☆ 2. a creeping… …   English World dictionary

  • knotgrass — dvieilė ašaruolė statusas T sritis vardynas apibrėžtis Miglinių šeimos pašarinis augalas (Paspalum distichum), kilęs iš atogrąžų. atitikmenys: lot. Paspalum distichum angl. couch paspalum; eternity grass; ginger grass; joint grass; knotgrass;… …   Lithuanian dictionary (lietuvių žodynas)

  • knotgrass — paprastoji takažolė statusas T sritis vardynas apibrėžtis Rūgtinių šeimos vaistinis nuodingas augalas (Polygonum aviculare). atitikmenys: lot. Polygonum aviculare angl. knotgrass; knotweed; prostrate knotweed šaltinis Valstybinės lietuvių kalbos… …   Lithuanian dictionary (lietuvių žodynas)

  • knotgrass — rūgtis statusas T sritis vardynas apibrėžtis Rūgtinių (Polygonaceae) šeimos augalų gentis (Persicaria). atitikmenys: lot. Persicaria angl. bistort; jointedweed; knotgrass; knotweed; smartweed vok. Knöterich rus. горец; гречишник; таран lenk.… …   Dekoratyvinių augalų vardynas

  • knotgrass — noun An annual plant, Polygonum aviculare, found in fields and wasteland …   Wiktionary

  • knotgrass — n. low growing weed with jointed creeping stems and small pink flowers (used in the past to treat asthma) …   English contemporary dictionary

  • knotgrass — noun a common plant of the dock family, with jointed creeping stems and small pink flowers. [Polygonum aviculare and related species.] …   English new terms dictionary

  • knotgrass — knot•grass [[t]ˈnɒtˌgræs, ˌgrɑs[/t]] n. 1) pln a common knotweed, Polygonum aviculare, with small leaves and dry fruit that are eaten by birds 2) pln a widespread creeping grass, Paspalum distichum, that forms large mats in shallow waters and… …   From formal English to slang

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