a musical instrument with a keyboard in which sound is produced by air being forced through pipes of different sizes and lengths

By the 1400s, the pipe organ had become a central part of the worship experience in large churches and cathedrals. 到了十四世纪，管风琴已经成为大型教堂和大教堂礼拜仪式的核心部分。

A pipe organ on the mezzanine floor provided music for the store. 位于夹层楼面的管风琴可以为商店顾客演奏音乐。