Senses
上座儿/ 上座兒 to fill seats
(of a theater, restaurant, or cinema) to have customers or an audience arrive and take their places
上座儿/ 上座兒 seat of honor
most honorable seat at a table or gathering; also refers to high-ranking monks or founding figures
上座儿/ 上座兒 popular
(of a film or play) drawing a large audience; being a box-office success