Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sudoku is a noun meaning "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". It carries one recorded sense.
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
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for sudoku come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.