sudoku
nounmasculine/su.ˈdɔ.ku/high
su·do·ku
Definition
A logic-based number placement puzzle where the goal is to fill a 9x9 grid with digits so that each column, row, and 3x3 subgrid contains all digits from 1 to 9.
She enjoys doing a sudoku puzzle with her morning coffee.
This sudoku is rated 'diabolical'.
Common collocations
solve a sudokusudoku puzzleplay sudokusudoku grid
Etymology
Do japonês 数独 (sūdoku), de 数 (sū, número) + 独 (doku, único).