checker
Webster 1828
CHECKER, verb transitive 1. To variegate with cross lines; to form into little squares, like a chess board, by lines or stripes of different colors. Hence, 2. To diversify; to variegate with different qualities, scenes, or events.Our minds are, as it were, checkered with truth and falsehood.CHECKER, noun 1. One who checks or restrains; a rebuker.2. A chess-board