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De - Pt| English Dictionary: Tetragon | by the DICT Development Group |
| 2 results for Tetragon | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Tetragon \Tet"ra*gon\, n. [L. tetragonum, Gr. tetra`gwnon; te`tra- (see {Tetra-}) + gwni`a corner, angle: cf. F. t[82]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. | |
