noun

• A person or a thing that splits.
• A wedge used to cut logs down the middle.
• A quarry worker who splits slate into sheets.
• (colloquial) A scientist in one of various fields who prefers to split categories such as species or dialects up into smaller groups.
• (baseball) A split-finger fastball.
• (graphical user interface) A draggable vertical or horizontal bar used to adjust the relative sizes of two adjacent windows.
• (US) A wheaten cake split and buttered when hot.
• One who splits hairs in argument, etc.
• A device with two electrical plugs that plugs into an electrical outlet, effectively converting the electrical outlet into two; socket converter.