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pentagon

pen·ta·gon

pentagon

 
pronunciation:
pen t gan
features:
Word Explorer, Word Parts
part of speech: noun
definition 1: a flat closed figure with five straight sides.
 
definition 2: (capitalized) the building that houses the main offices for the armed services of the United States, or the military people who work in this building. The Pentagon is a building with five sides.
derivation: pentagonal (adj.)
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Word Parts
The word pentagon contains the following parts:
gon Greek root that means angle
penta, pent Greek root that means five