Main Entry:

poly·gon

Pronunciation:

\ˈpä-lē-ˌgän\

Function:

noun

Etymology:

Late Latin polygonum, from Greek polygōnon, from neuter of polygōnos polygonal, from poly- + gōnia 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 \pə-ˈli-gə-n^əl\ adjective

— po·lyg·o·nal·ly \-n^əl-ē\ adverb