0 Old HSK word(s):
正八边形* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

正 right, proper, correct
八 eight / all around, all sides
边 edge, margin, side, border
形 form, shape, appearance
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual