noun
accordion; melodeon; concertina
Historical term for accordion-like instruments; in modern Japanese, アコーディオン is the common word. 手風琴 may appear in older literature or historical contexts.
明治時代には手風琴が輸入され、人気を博した。
In the Meiji period, accordions were imported and became popular.
祖母が手風琴を弾く写真が残っている
There is a photo of my grandmother playing an accordion.