Definition of pentagonal
1 : having five sides and five angles
2 : having a pentagon as a cross section or as a base a pentagonal pyramid
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Recent Examples of pentagonal from the Web
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Their pentagonal shape was designed to match the bridge’s central tower, and even the seven light fixtures per pole are meant to represent the seven struts on the central tower.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pentagonal'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of pentagonal
1571
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See words that rhyme with pentagonal Spanish Central: Translation of pentagonal Nglish: Translation of pentagonal for Spanish speakers
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