Checker

1. v. t. One who checks.
2. n. To mark with small squares like a checkerboard, as by crossing stripes of different colors.
3. n. To variegate or diversify with different qualities, colors, scenes, or events; esp., to subject to frequent alternations of prosperity and adversity.
4. v. t. A piece in the game of draughts or checkers.
5. v. t. A pattern in checks; a single check.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.