Definition of "piano-organ" [piano-organ]

• A mechanical piano constructed in the manner of a barrel-organ. (noun)

The Century Dictionary (Public Domain)

• "In order to get rid of her ennui, she had opened her piano-organ, and had begun to sing, accompanying herself the while, the chorus from Euryanthe: “Hunters astray in the wood!” which is probably the most beautiful thing in all the sphere of music."
• "A blackbird sang; a piano-organ round a corner was playing ‘Rigoletto.’"
• "It must at once be admitted that this particular musical instrument differed very considerably from any piano-organ ever heard in the streets, and it could never have come anywhere from the neighbourhood of Saffron Hill."