gallery

noun [具体名词]美术馆，画廊；（大厅的）楼座，楼上旁听席；（剧场中的）顶层楼座；阳台，露台；一群（相似的人或物）；长廊，走廊；（矿井下的）巷道；观众

A gallery is a privately owned building or room where people can look at and buy works of art.
私人字画店 •  The painting is in the gallery upstairs.  那幅画在楼上的字画店里。