octagonal

[ok-tag-uh-nl]

adjective

1. having eight angles and eight sides.

octagonal

/ ɒkˈtæɡənəl /

adjective

1. having eight sides and eight angles

2. of or relating to an octagon

Other Word Forms

• octagonally adverb

Word History and Origins

Origin of octagonal¹

1565–75; octagon + -al ¹, replacing earlier octogonal < New Latin octōgōnālis, equivalent to octō- octo- + Greek gōn ( ía ) angle + -ālis -al ¹

Example Sentences

The gothic building with its octagonal tower was once home to Hammer Horror Studios.

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Of all the historical monuments in Puglia, it is the inland landmark of Castel del Monte, a hilltop octagonal castle, that has become a national symbol, finding its way onto stamps and money.

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There’s dark woodwork, octagonal pillars, curlicues of ironwork in the old-fashioned windows, carved details of garlands and flowers and urns.

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Some of the findings are "unique" for South America, he explains, pointing to the octagonal and rectangular platforms arranged together.

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Along its octagonal walls, bright banners displayed each Arcanum tenet: integrity, self-control, perseverance, goodness.

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