Real Dictionary

domino
countable noun: Dominoes are small rectangular blocks marked with two groups of spots on one side. They are used for playing various games.
uncountable noun: Dominoes is a game in which players put dominoes onto a table in turn.

Domino in American English
a loose cloak or robe with wide sleeves and hood, worn with a mask at masquerades
Fats(born Antoine Domino, Jr.) 1928- ; U.S. rock-and-roll pianist & composer

domino in American English 1
noun: a flat, thumbsized, rectangular block, the face of which is divided into two parts, each either blank or bearing from one to six pips or dots: 28 such pieces form a complete set

domino in American English 2
noun: a large, hooded cloak with a mask covering the eyes, worn at masquerades

Domino in British English
noun: Fats. real name Antoine Domino 1928–2017, US rhythm-and-blues and rock-and-roll pianist, singer, and songwriter. His singles include "Ain't that a Shame" (1955) and " Blueberry Hill" (1956)

domino in British English 1
noun: a small rectangular block used in the game of dominoes, divided on one side into two equal areas, each of which is either blank or marked with from one to six dots

domino in British English 2
noun: a large hooded cloak worn with an eye mask at a masquerade