n. 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. po·lygo·nal·ly adv. (click for a larger image) polygonregular (left) and irregular (right) polygons |
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