n.
Pronunciation: ' pä-l ē - ˌ gän
Function: noun
Etymology: Late Latin polygonum, from Greek polyg ō non, from neuter of polyg ō nos polygonal, from poly- + g ō nia angle ― more at -GON
Date: 1571
1 : a closed plane figure bounded by straight lines
2 : a closed figure on a sphere bounded by arcs of great circles
– po · lyg · o · nal \ p ə - ' li-g ə -n ə l \ adjective
– po · lyg · o · nal · ly \ -n ə l- ē \ adverb