1. 
   knotgrass
   [n] - low-growing weedy grass with spikelets along the leaf stems
   Found op http://www.webdictionary.co.uk/definition.php?query=knotgrass
   
   
2. 
   Knotgrass
   Knot'grass` noun (Botany) (a) a common weed with jointed stems (Polygonum aviculare) ; knotweed. (b) The dog grass. See under Dog . » An infusion of Polygonum aviculare was once supposed to have the ef...
   Found op http://www.encyclo.co.uk/webster/K/16
   
   
3. 
   knotgrass
   <botany> A common weed with jointed stems (Polygonum aviculare); knotweed. ... The dog grass. See Dog. ... An infusion of Polygonum aviculare was once supposed to have the effect of stopping the growth of an animal, and hence it was called, as by Shakespeare, 'hindering knotgrass.' 'We want a ...
   Found op http://www.mondofacto.com/facts/dictionary?knotgrass
   
   
4. 
   knotgrass
   noun low-growing weedy grass with spikelets along the leaf stems
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=knotgrass
   
   
5. 
   Knotgrass
   • (n.) The dog grass. See under Dog. • (n.) a common weed with jointed stems (Polygonum aviculare); knotweed.
   Found op http://thinkexist.com/dictionary/meaning/knotgrass/
   
   
6. 
   Knotgrass
   Knotgrass (Polygonum aviculare) is an annual herb of the family Polygonaceae, native to Britain, with branched prostrate or erect stems and shortly stalked, alternate, linear to ovate leaves with silvery stipules at their base. The flowers are small, white or pinkish in colour, and grow in clusters ...
   Found op http://www.probertencyclopaedia.com/browse/BK.HTM
   
   
7. 
   knotgrass
   1) Grass 2) Paspalum distichum
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/knotgrass/1
   
   

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