trigonous

[trig-uh-nuh s] /ˈtrɪg ə nəs/

Word Origin

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adjective

having three angles or corners, as a stem or seed; triangular.

Origin of trigonous

Latin

Greek

1750-1760

1750-60; < Latin trigōnus triangular < Greek trígōnos. See tri-, -gon, -ous

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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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

/ˈtrɪɡənəs/

adjective

(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
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