pentagonal

adjective pen·tag·o·nal \ pen-ˈta-gə-nᵊl \

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

pentagonally

play \pen-ˈta-gə-nᵊl-ē\ adverb

Recent Examples of pentagonal from the Web

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First Known Use of pentagonal

1571



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of very fine texture or delicate form

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