hex·a·gon
noun/ˈheksəɡən/
/ˈheksəɡɑːn/
(geometry)- a flat shape with six straight sides and six angles
enlarge image六边形；六角形 Word Originlate 16th cent.: via late Latin from Greek hexagōnon, neuter (used as a noun) of hexagōnos ‘six-angled’.