dominoes

noun pl. dominoes or dominos

1. a loose cloak or robe with wide sleeves and hood, worn with a mask at masquerades
2. a small mask, generally black, for the eyes; half mask
3. a person dressed in such a cloak or mask
4. a small, oblong piece of wood, plastic, etc. marked into halves, each half being blank or having usually from one to six dots marked on it
5. a game played with a number of such pieces, usually 28, which the players must match according to the dots on each half