Meaning of CHECKER in English

CHECKER

check ‧ er /ˈtʃekə $ -ər/ BrE AmE noun [countable]

[ Sense 1-3: Date: 1800-1900 ; Origin: ⇨ ↑ check 2 ]

[ Sense 4: Date: 1700-1800 ; Origin: checker 'chessboard' ; ⇨ ↑ check 2 (4) ]

1 . American English someone who works at the ↑ checkout in a ↑ supermarket

2 . spell/grammar checker a computer program that checks whether the spelling of words or the grammar of a sentence is correct

3 . someone who makes sure that something is written or done correctly

4 . checkers [uncountable] American English a game for two players using 12 flat round pieces each and a board with 64 squares, in which the purpose is to take the other player’s pieces by jumping over them with your pieces SYN draughts British English

⇨ ↑ Chinese chequers

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.