noun
dora tile
In Japanese mahjong, a bonus tile that adds one han per dora indicator. The dora itself does not count as a yaku, but it increases the hand's value when a winning hand already has at least one yaku.
See also: ドラ
ドラ牌をたくさん集めると、高い点数が狙える。
If you collect many dora tiles, you can aim for a high-scoring hand.