tee·to·tum /ˈtiˈtotəm/
  四方陀螺,手轉陀螺
  Tee·to·tum n.  A child's toy, somewhat resembling a top, and twirled by the fingers.
     The staggerings of the gentleman . . . were like those of a teetotum nearly spent.   --Dickens.
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  teetotum
       n : a conical child's plaything tapering to a steel point on
           which it can be made to spin; "he got a bright red top
           and string for his birthday" [syn: top, whirligig, spinning
           top]