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domino

domino /ˈdɑːməˌnoʊ/ noun
plural dominoes or dominos
domino
/ˈdɑːməˌnoʊ/
noun
plural dominoes or dominos
Britannica Dictionary definition of DOMINO
[count] : a small flat rectangular block made of wood or plastic that has one or more dots on one side and that is used in playing games
dominoes [noncount] : a game played with dominoes