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check·er | \ ˈche-kər 
\
\Definition of checker
(Entry 1 of 3)
checker
verbcheckered; checkering\ ˈche-k(ə-)riŋ \
\Definition of checker (Entry 2 of 3)
1a : to variegate with different colors or shades
b : to vary with contrasting elements or situations
2 : to mark into squares
checker
noun (2)Definition of checker (Entry 3 of 3)
1 : one that checks a fact checker
2 : an employee who checks out purchases in a self-service store
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The first known use of checker was in the 14th century
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