Noah Webster
Checker
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.