triquetrous

[trahy-kwee-truh s, -kwe-]

adjective

three-sided; triangular.
having a triangular cross section.

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 of triquetrous

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.
Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements)
Various

British Dictionary definitions for triquetrous

triquetrous

adjective

triangular, esp in cross sectiona triquetrous stem

Word Origin for triquetrous

C17: from Latin triquetrus having three corners

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