A commercial establishment where customers play mahjong, often for money. Synonymous with 雀荘 (jansō), but 麻雀屋 is a more colloquial term.
See also: 雀荘
I played a hanchan with friends at the mahjong parlor in front of the station.
Standard kanji spelling for a mahjong parlor.
Mixed kanji-katakana spelling; common in casual signage and writing.
Compound of 麻雀 (mājan, 'mahjong') + 屋 (ya, 'shop'). The reading マージャン is a direct borrowing from Chinese 麻將 (májiàng).