pentagon

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noun pen·ta·gon \ ˈpen-tə-ˌgän \

Definition of pentagon

:a polygon of five angles and five sides

Examples of pentagon in a Sentence

  1. The general attended a meeting at the Pentagon.

  2. There was disagreement between the President and the Pentagon over the new military budget.

Recent Examples of pentagon from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pentagon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pentagon

Greek pentagōnon, from neuter of pentagōnos pentagonal, from penta- + gōnia angle — more at -gon


Pentagon

noun

Definition of Pentagon

:the U.S. military leadership

Recent Examples of pentagon from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'Pentagon.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of pentagon

the Pentagon building, headquarters of the Department of Defense



PENTAGON Defined for English Language Learners

pentagon

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noun

Definition of pentagon for English Language Learners

  • mathematics : a flat shape that has five sides and five corners

  • the Pentagon : the building in Washington, D.C., that is the headquarters of the U.S. Department of Defense

  • : the leaders of the U.S. military


PENTAGON Defined for Kids

pentagon

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noun pen·ta·gon \ ˈpen-tə-ˌgän \

Definition of pentagon for Students

:a flat geometric figure having five angles and five sides


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