Tet"ra*gon (?), n. [L. tetragonum, Gr.
tetra`gwnon; te`tra- (see Tetra-) +
gwni`a corner, angle: cf. F. tétragone.]
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.
Tet"ra*gon (?), n. [L. tetragonum, Gr.
tetra`gwnon; te`tra- (see Tetra-) +
gwni`a corner, angle: cf. F. tétragone.]
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.