tetragon noun.
['tɛtrǝg(ǝ)n] E17.[Late Latin tetragonum from Greek tetragōnon quadrangle, use as noun of tetragōnos quadrangular, formed as TETRA-: see -GON.]1. Astrology. A quartile aspect. Now
rare or
obsolete.
E17.2. A plane figure with four straight sides and four angles.
M17.3. A quadrangular building, court, etc.
M17. [TahlilGaran] English Dictionary ▲