Definitions for: Tetragon

[n] a four-sided polygon

Webster (1913) Definition: Tet"ra*gon, n. [L. tetragonum, Gr. tetra`gwnon;
te`tra- (see Tetra-) + gwni`a corner, angle: cf. F.
t['e]tragone.]
1. (Geom.) A plane figure having four sides and angles; a
quadrangle, as a square, a rhombus, etc.

2. (Astrol.) An aspect of two planets with regard to the
earth when they are distant from each other ninety
degrees, or the fourth of a circle. --Hutton.

Synonyms: quadrangle, quadrilateral

See Also: parallelogram, polygon, polygonal shape, trapezium, trapezoid

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