noun
domino
DOM-ih-noh/ˈdɑːmɪnəʊ/
A rectangular playing tile marked with spots.
A central line divides this ivory domino into two halves.

Etymology
French domino also named a hooded cloak worn by clergy. The tile's name may refer to a perceived resemblance to that garment, but the connection is unclear.
More examples
- She places a domino beside another tile with matching spots.
- I draw another domino when I cannot make a move.
- He tips the first domino, and the whole row falls.
Forms
domino · dominoes · dominos
Similar words
- tile
- Tile names many flat game pieces, not just spotted ones.