Domino Terminology Part 1

Domino - The tile used in the game of dominoes. To domino means to play all the tiles in your hand.
Hand - Are the dominoes of each player.
Layout - The dominoes in play on the table.
End - Each dotted side of the domino face with a number (or blank).
Open End - The end of a domino that is not connected to other tiles. Tiles are played on open ends of dominoes.
Shuffle -To mix the bones while they are turned face down on the table.
Draw - To pick the bones for your hand out of a central pile or the boneyard, or to choose a domino from the boneyard to add to your hand.
Blocked game - When no players can make a move.

Bone or Tile - A common term for a domino.
Bone pile or Boneyard - Spare bones left after the drawing of hands that may be used as a draw pile in some games.
Back of the domino - The side with no dots.
Dot, Pip or Spot - the markings on a domino, which reflect the value of the domino.
Bar - the line that separates the two ends of a domino.

Heavier - A bone with more spots on it is said to be heavier than another bone with fewer spots.
Lighter - A bone with fewer spots on it is said to be lighter than another bone with more spots.

A suit of dominoes - The tiles which have the same numbers on the ends. Each suit has seven tiles.
Blank - An end of a tile which contains no pips or spots. It can also be called the zero, white or pale domino.
Ace - The end of a domino with only one dot.
Deuce - A domino with two dots on one end.
Trey - A domino with an end containing three dots
Doublet or Double -A tile which contains the same number of pips at both ends.

Double Sixes - The highest ranking tile in a 28 tile set. Also, the name of such a set.
Double Nines - The highest ranking tile in a 55 tile set. Also, the name of such a set.
Double Twelves - The highest ranking tile in a 91 tile set. Also, the name of such a set.

Spinner - The first double domino that is played during the game and also A double which is turned sideways in the line of play and has the addition property that other tiles can be played from its two exposed ends and the open side. The lines of tiles that radiate from the spinner are called its arms.