2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Tetragon \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.
From WordNet r 1.6 [wn]:
tetragon
n : a four-sided polygon [syn: {quadrilateral}, {quadrangle}]
more about tetragon
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