"checker" in the noun sense
an attendant who checks coats or baggage
one who checks the correctness of something
3. checker, chequer
one of the flat round pieces used in playing the game of checkers
"checker" in the verb sense
1. check, checker, chequer
mark into squares or draw squares on draw crossed lines on
2. checker, chequer
variegate with different colors, shades, or patterns
Source: WordNet® (An amazing lexical database of English)
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