also: よんこう
noun
four 20-point cards (hanafuda combination)
A scoring combination in hanafuda consisting of four 20-point cards (光札). Part of the 出来役 (dekiyaku) family of combinations.
See also: 出来役
花札で四光を集めると高得点になる。
In hanafuda, collecting the four 20-point cards yields a high score.
出来役 is the broader category of scoring combinations in hanafuda; 四光 is one specific 出来役.
Compound of 四 (four) and 光 (light/bright card), referring to the four bright cards in hanafuda.