a figure formed of six straight lines, in particular 六线形,尤指 ■a star-shaped figure formed by two intersecting equilateral triangles (由两个交叉的等边三角形组成的)六角星形 ■any of a set of sixty-four figures made up of six parallel whole or broken lines, occurring in the ancient Chinese I Ching (中国《易经》的)卦象
语源
mid 19th cent.: from hexa- 'six' + Greek gramma 'line'