pentagon

pen-ta-gon · noun

imported

Definitions

noun

  1. 1.

    A plane figure with five straight sides and five angles.

  2. 2.

    (the Pentagon) The headquarters of the United States Department of Defense, located in Arlington, Virginia.

Forms

plural: pentagons

Related words

See also: hexagon, polygon, shape
Synonyms: five-sided polygon

Etymology

From Greek pentagonon, from pente meaning "five" and gonia meaning "angle."