Meaning of POLYGON in English
n. a plane figure with many (usu. a minimum of three) sides and angles.
Phrases and idioms:
polygon of forces a polygon that represents by the length and direction of its sides all the forces acting on a body or point.
Etymology: LL polygonum f. Gk polugonon (neut. adj.) (as POLY-(1) + - gonos angled)
Oxford English vocab. Оксфордский английский словарь. 2012