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pentagon |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentagon \Pen"ta*gon\, n. [Gr. ?; ? (see {Penta-}) + gwni`a 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. From WordNet r 1.6 [wn]: Pentagon n 1: a five-sided building that serves as the headquarters of the United States Department of Defense [syn: {Pentagon}] 2: the US military establishment [syn: {Pentagon}] 3: a five-sided polygon From U.S. Gazetteer (1990) [gazetteer]: Pentagon, DC Zip code(s): 20301
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