Definitions for domino

(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)