Definitions

1. noun

A small, rectangular piece of wood or plastic with two square ends of different colors, used in a game where players take turns knocking over a line of them.

“He set up the dominoes in a zigzag pattern on the table.”

2. noun

A small, usually insignificant, but potentially influential or decisive factor.

“His decision to wear that shirt was a domino that triggered a series of events.”

3. verb

To cause a series of events to follow one another in a particular order, often in a way that is difficult to stop or reverse.

“The new policy will domino into a series of changes across the company.”