a musical instrument with a keyboard that makes sounds when metal reeds (= thin pieces of metal) are made to vibrate by air

The harmonium and melodeon are reed organs. 簧风琴和美乐琴琴都是簧片风琴。

Reed organs were less expensive and required less space than pipe organs. 簧风琴比管风琴便宜，所需空间也小一些。