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triquetrous

[trahy-kwee-truh s, -kwe-]
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adjective
  1. three-sided; triangular.
  2. having a triangular cross section.
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Origin of triquetrous

1650–60; < Latin triquetrus triangular, equivalent to tri- tri- + -quetrus cornered
Related formssub·tri·que·trous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for triquetrous

Historical Examples

  • Triquetrous, sharply three-angled; and especially with the sides concave, like a bayonet.

    The Elements of Botany

    Asa Gray

  • Triquetrous, trī-kwet′rus, adj. three-sided: triangular—also Triquet′ral.


British Dictionary definitions for triquetrous

triquetrous

adjective
  1. triangular, esp in cross sectiona triquetrous stem
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Word Origin

C17: from Latin triquetrus having three corners
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