domino | meaning of domino in Longman Dictionary of Contemporary English | LDOCE
From Longman Dictionary of Contemporary EnglishOther gamesldoce_071_adominodom‧i‧no /ˈdɒmənəʊ $ ˈdɑːmənoʊ/ noun (plural dominoes)
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[countable]DGO one of a set of small flat pieces of wood, plastic etc, with different numbers of spots, used for playing a game2 → dominoes3 → domino effectExamples from the Corpusdomino• It started a domino effect which exists even today.• A domino game was cut short when one of the players clawed his jacket to shreds trying to ward off the spiders.• There will also be a bring and buy and a session of bag dominoes.• Like a row of cascading dominoes, scandal followed scandal.• But things almost instantly began falling like dominoes.• But lately, lots of white guys have been trying to play dominoes.• A hundred men were crowded into a little corner park, playing dominoes and cards.Origin domino (1700-1800) French perhaps from Italian, “lord, ruler”, shouted by the winner of a game