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polygonaceous

[ pol-ee-guh-ney-shuh s, puh-lig-uh-ney- ]
/ ˌpɒl i gəˈneɪ ʃəs, pəˌlɪg əˈneɪ- /

adjective

belonging to the Polygonaceae, the buckwheat family of plants.

Nearby words

  1. polyglandular,
  2. polyglandular deficiency syndrome,
  3. polyglot,
  4. polygnotus,
  5. polygon,
  6. polygonum,
  7. polygraph,
  8. polygynist,
  9. polygynous,
  10. polygyny
Compare buckwheat family.

Origin of polygonaceous

1870–75; < New Latin Polygonace(ae) (Polygon(um) the type genus (< Greek polýgonon knotgrass, literally, something with many joints; see poly-, knee, -gon) + -aceae -aceae) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for polygonaceous

polygonaceous

/ (ˌpɒlɪɡəˈneɪʃəs, pəˌlɪɡə-) /

adjective

of, relating to, or belonging to the Polygonaceae, a chiefly N temperate family of plants having a sheathing stipule (ocrea) clasping the stem and small inconspicuous flowers: includes dock, sorrel, buckwheat, knotgrass, and rhubarb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012