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Webster 1913 Edition
Pentagon
Pen′ta-gon
,Noun.
(Geom.)
A plane figure having five angles, and, consequently, five sides; any figure having five angles.
Regular pentagon
, a pentagon in which the angles are all equal, and the sides all equal.
Webster 1828 Edition
Pentagon
PEN'TAGON
,Noun.
1.
In geometry, a figure of five sides and five angles.2.
In fortification, a fort with five bastions.Definition 2024
Pentagon
Pentagon
English
Proper noun
Pentagon
- the headquarters of the United States of America's Department of Defense.
Translations
the headquarters of the United States of America's Department of Defense
German
Etymology 1
Borrowed from English Pentagon.
Pronunciation
- IPA(key): /ˈpɛntaɡɔn/
Noun
Pentagon n (genitive Pentagons, no plural)
- the headquarters of the United States of America's Department of Defense.
Etymology 2
Borrowed from Ancient Greek.
Pronunciation
- IPA(key): /pɛntaˈɡoːn/
Noun
Pentagon n
- pentagon (a polygon with five sides and five angles)
Synonyms
pentagon
pentagon
English
Noun
pentagon (plural pentagons)
Translations
A polygon with five sides and five angles
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Derived terms
See also
Danish
Noun
pentagon c (singular definite pentagonen, plural indefinite pentagoner)
Declension
Inflection of pentagon
common gender |
Singular | Plural | ||
---|---|---|---|---|
indefinite | definite | indefinite | definite | |
nominative | pentagon | pentagonen | pentagoner | pentagonerne |
genitive | pentagons | pentagonens | pentagoners | pentagonernes |