A closed plane figure bounded by three or more line segments.
[Late Latin polygōnum, from Greek polugōnon, from neuter of Greek polugōnos, polygonal : polu-, poly- + -gōnos, angled; see -GON.]
po·lygo·nal (pə-lĭgə-nəl) adj.
(click for a larger image)polygon
regular (left) and irregular (right) polygons
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