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English definition of “sudoku”

sudoku

noun [U or C]     /sʊˈdɒk.uː/ /sʊˈdəʊ.kuː/ US  /-ˈdɑː.kuː/ US  /-ˈdoʊ.kuː/
a number game in which you have to write a number between 1 and 9 in each small box of a 9x9 squareMiscellaneous games and activities
(Definition of sudoku noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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