# spherical triangle

- a triangle formed by arcs of great circles of a sphere.

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## Origin of spherical triangle^{}

First recorded in 1575–85

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

## spherical triangle

- a closed geometric figure formed on the surface of a sphere that is bounded by arcs of three great circles

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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