trigonous

American  

[trig-uh-nuhs] / ˈtrɪg ə nəs /

adjective

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

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trigonous British  

/ ˈtrɪɡənəs /

adjective

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

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Etymology

Origin of trigonous

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

Example Sentences

Grain is oblong shining light reddish brown, narrowed at both ends and somewhat trigonous.

From Project Gutenberg

It is very much flattened in Paspalum scrobiculatum, but somewhat trigonous in Digitaria sanguinalis.

From Project Gutenberg

The inflorescence is of several slender spikes, usually drooping, 2 to 4 inches; the rachis is filiform and trigonous.

From Project Gutenberg

The inflorescence consists of spikes, solitary, digitate or fascicled, articulate and fragile; the joints of the floral axis and the pedicels of the pedicelled spikelets are trigonous and hollowed ventrally.

From Project Gutenberg

The inflorescence is 1/2 to 3 inches long and consists of fascicles of spikelets; the rachis is trigonous, smooth, and flexuous.

From Project Gutenberg