splitter

noun10

1. •
   A person or a thing that splits.
2. •
   A wedge used to cut logs down the middle.
3. •
   A quarry worker who splits slate into sheets.
4. •
   A draggable vertical or horizontal bar used to adjust the relative sizes of two adjacent windows.
5. •
   A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.
6. •
   A line segment through one of the vertices of a triangle that bisects the perimeter of the triangle.
7. •
   One who splits hairs in argument, etc.
8. •
   (informal) A scientist in one of various fields who prefers to split categories such as species or dialects up into smaller groups.
9. •
   A split-finger fastball.
10. •
    (US) A wheaten cake split and buttered when hot.