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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI