What is the meaning of Riichi?

A scoring condition and 1000-point bet made by declaring the hand to be ready, waiting for one more tile to win.

A call for such a bet.

Clipping of riichi mahjong.

Being one symbol away from getting a jackpot, usually triggering an animation before the final symbol is revealed.

Rōmaji transcription of りいち

Source: wiktionary.org

See also