Meaning of domino

Definition of domino

(noun) United States rhythm and blues pianist and singer and composer (born in 1928)
a loose hooded cloak worn with a half mask as part of a masquerade costume
a mask covering the upper part of the face but with holes for the eyes
a small rectangular block used in playing the game of dominoes; the face of each block has two equal areas that can bear 0 to 6 dots

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