Pentagon

An Illustrated Dictionary of Words Used In Art and Archealogy. · 1883 · p. 28

A figure of five sides and five angles.

Bu kavram başka kaynaklarda da geçiyor

Chamber's Twientieth Century Dictionary (1908)
The Optical Dictionary (1904)
Chamber's Etymological of the English Language (1895)
A Military Dictionary and Gazetteer (1881)
Zell's Condensed Dictionary (1879)
Dictionary of Science, Literature and Art (1854)
Dictionary of Science, Literature and Art (1842)
A Military Dictionary (1810)
Pentagon -um — Explanation of Terms Used in Entomology (1906)

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