Search Result for "sudoku": 
Wordnet 3.0

NOUN (1)

1. a number puzzle in which the numbers 1 through 9 must be placed into a grid of cells so that each row or column contains only one of each number; 



WordNet (r) 3.0 (2006):

sudoku
    n 1: a number puzzle in which the numbers 1 through 9 must be
         placed into a grid of cells so that each row or column
         contains only one of each number