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Webster 1913 Edition


Pentagon

Pen′ta-gon

,
Noun.
[Gr.
πεντάγωνον
;
πεντα-
(see
Penta-
) +
γωνία
angle: cf. L.
pentagonium
, F.
pentagone
.]
(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.
[Gr. five, and a corner.]
1.
In geometry, a figure of five sides and five angles.
2.
In fortification, a fort with five bastions.

Definition 2022


Pentagon

Pentagon

See also: pentagon and pentàgon

English

Proper noun

Pentagon

  1. the headquarters of the United States of America's Department of Defense.

Translations


German

Etymology 1

Borrowed from English Pentagon.

Pronunciation

  • IPA(key): /ˈpɛntaɡɔn/

Noun

Pentagon n (genitive Pentagons, no plural)

  1. 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

  1. pentagon (a polygon with five sides and five angles)
Synonyms

Romanian

Etymology

Latin pentagonus

Noun

Pentagon n (USA)

  1. Pentagon

pentagon

pentagon

See also: Pentagon and pentàgon

English

A regular pentagon

Noun

pentagon (plural pentagons)

  1. (geometry) A polygon with five sides and five angles.

Translations

Derived terms

See also


Danish

Noun

pentagon c (singular definite pentagonen, plural indefinite pentagoner)

  1. pentagon

Declension

Synonyms

Related terms

References