noun
winning by picking up a discarded tile
In mahjong, a call made when a player wins by taking a tile just discarded by another player. Abbreviation of ロンホー.
from Chinese róng
See also: ロンホー
彼は捨て牌でロンを宣言した。
He declared ron on the discarded tile.
ロンと言って手牌を開いた。
He said 'ron' and revealed his hand.
Full form of the same mahjong term; ロン is the common abbreviation.
Winning by drawing a tile yourself, as opposed to ロン which is winning on a discard.
From Chinese 栄 (róng), via the full form ロンホー. The exact path into Japanese mahjong terminology is uncertain.