资料来源 : pyDict

多字母; 多字母组; 多边图形

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Polygram \Pol"y*gram\, n. [Gr. ? marked with many stripes;
   poly`s many + ? a line.]
   A figure consisting of many lines. [R.] --Barlow.