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trigonous

[trig-uh-nuh s]
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adjective
  1. having three angles or corners, as a stem or seed; triangular.

Origin of trigonous

1750–60; < Latin trigōnus triangular < Greek trígōnos. See tri-, -gon, -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for trigonous

Historical Examples

  • Grain is narrow, trigonous, oblong, translucent and shining.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar

  • Grain is sub-globose, oblong or trigonous, closely invested by the glume and its palea.

    A Handbook of Some South Indian Grasses

    Rai Bahadur K. Ranga Achariyar


British Dictionary definitions for trigonous

trigonous

adjective
  1. (of stems, seeds, and similar parts) having a triangular cross section
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