1. a small rectangular tile marked with dots, used in the game of dominoes
2. a game played with a set of these tiles
3. a loose cloak with a hood, worn as a disguise or at masquerade parties
Usage: historical

Examples

• She carefully placed the domino at the end of the line.
• The children spent the afternoon playing dominoes.
• We set up the dominoes in a long row and knocked them down.
• The masked ball required guests to wear a domino and formal attire.
• He wore a black domino to conceal his identity at the carnival.
• The domino effect caused all the tiles to fall in sequence.