spherical polygon

American  

noun

Geometry.

1. a closed figure formed by arcs of great circles on a spherical surface.

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spherical polygon British  

noun

1. a closed geometric figure formed on the surface of a sphere that is bounded by three or more arcs of great circles

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Etymology

Origin of spherical polygon

First recorded in 1715–25

Example Sentences

The sum of the sides of a spherical polygon is less than 360°.

From The Teaching of Geometry by Smith, David Eugene

The same is true of the following proposition on the area of a spherical polygon.

From The Teaching of Geometry by Smith, David Eugene