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tetragon

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

noun

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


tetragon British  
/ ˈtɛtrəˌɡɒn /

noun

  1. a less common name for quadrilateral

"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

Etymology

Origin of tetragon

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Just a great big tetragon on a central pivot.

From Operation Haystack by H. R. van Dongen

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

From Mechanical Drawing Self-Taught by Joshua Rose

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

From Operation Haystack by H. R. van Dongen

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 David Eugene Smith

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