dominonoun/ˈdɒmɪnəʊ/

• 1

  dominoesgamesA tile divided into two squares, each having 0 to 6 (or sometimes more) dots or pips (as in dice), used in the game of dominoes.

  • Dominoes of indiscretions down Falling all around, in cycles, in circles Constantly consuming Conquer and devour
  • If a domino had four squares on its surface, it would be a tetromino. With five squares, it would be a pentomino—nine, a nonomino, eleven, an unwieldy undecomino!
• 2

  governmentpoliticsA country that is expected to react to events in a neighboring country, according to the domino effect.

• 3

  A masquerade costume consisting of a hooded robe and a mask covering the upper part of the face.

  • all the women were desirous of having the bundle immediately opened; which operation was at length performed by little Betsy, with the consent of Mr Jones: and the contents were found to be a domino, a mask, and a masquerade ticket.
  • The chair being announced, she fastened on her mask, and drew her domino round her, it not being her intention to display her splendid and fantastic costume till supper, when all the guests were expected to unmask.
• 4

  The mask itself.

  • The door behind the drums burst open and two huge negroes, naked except for gold loincloths, ran out on to the floor carrying between them, her arms round their necks, a tiny figure, swathed completely in black ostrich feathers, a black domino across her eyes.
  • He wore a domino, but beneath it could be seen his whiskers, cut after the English fashion, and long and pendent.
• 5

  The person wearing the costume.

• 6

  geometrymathematicssciencesA polyomino made up of two squares.

• 7

  entertainmentlifestylemusicA mistake in performing.

  • Any player is liable to make a 'domino' — that is to say, he goes wool-gathering and continues to play when everyone else has stopped. If he does so at a grown-up concert the fault is irredeemable […]
• 8

  slangA person's teeth.

  • […] break your dominoes by grinding them that way.
  • Look here, you chaps, don't you chew it too quick, or you'll break your dominoes on the nails!

dominoverb/ˈdɒmɪnəʊ/

• 1

  To collapse in the manner of dominoes.

  • A dismasting often means the dominoing of one mast into the other, down through the decks, cannoning the cargo through the hull below, and sinking the ship very quickly.
• 2

  To cause to collapse in the manner of dominoes.