kakuroPronunciation: /ˈkakərəʊ, kəˈk(j)ʊərəʊ/Definition of kakuro noun [mass noun] a type of number puzzle in which players have to insert numbers into a crossword-like grid, with numbered clues and some blank squares. Origin: early 21st century: blend of Japanese kasan 'addition' and kurosu, representing a Japanese pronunciation of cross
