WordWeight : Weighing the Words

Pronunciation : Tet"ra*gon
Part of Speech : n.
Etymology : [L. tetragonum, Gr. Tetra-) + t?tragone.]
Definition : 1. (Geom.)

Defn: A plane figure having four sides and angles; a quadrangle, as a square, a rhombus, etc.

2. (Astrol.)

Defn: 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.
Source : Webster's Unabridged Dictionary, 1913