A game played by two or more persons, with twenty-eight pieces of wood, bone, or ivory, of a flat, oblong shape, plain at the back, but on the face divided by a line in the middle, and either left blank or variously dotted after the manner of dice. The game is played by matching the spots or the blank of an unmatched half of a domino already played

One of the pieces with which the game of dominoes is played.

A bone or tile used in a game of dominoes is commonly called a "domino". To "domino" also means to play the last tile in your hand, which typically ends a game or hand.

A verb meaning to play all the tiles in your hand. This usually stops play in the round in most games. Contrary to popular usage, it is not the name of an individual tile.

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

a flat, thumbsized tile, the face of which is divided into two squares, each left blank or bearing from one to six dots

a small tile that represents the roll of two dice

The name of the game is also the term used when a player plays all of their dominoes and wins the hand.

1. One of the pieces, or tiles, in a set of dominoes. 2. In matching and scoring games, to be the first player to play the last tile in his hand, and therefore, win that hand. Also called "go out."