tetragon

American  

[te-truh-gon, -guhn] / ˈtɛ trəˌgɒn, -gən /

noun

1. a polygon having four angles or sides; a quadrangle or quadrilateral.

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tetragon British  

/ ˈtɛtrəˌɡɒn /

noun

1. a less common name for quadrilateral

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Etymology

Origin of tetragon

From the Greek word tetrágōnon, dating back to 1620–30. See tetra-, -gon

Example Sentences

Just a great big tetragon on a central pivot.

From Operation Haystack by Dongen, H. R. van

It was long, built around two sections of the tetragon, and with low divans beneath the view windows.

From Operation Haystack by Dongen, H. R. van

A figure that is bounded by four straight lines is termed a quadrangle, quadrilateral or tetragon.

From Mechanical Drawing Self-Taught by Rose, Joshua

Thus we speak of a pentagon but not of a tetragon or a trigon, although both words are correct in form.

From The Teaching of Geometry by Smith, David Eugene