I thought you might like these definitions from "The Devil's Dictionary, author Ambrose Bierce. Published in the UK by Oxford University Press in their series Oxford Language Classics, 2002"


Accordion, n. An instrument in harmony with the sentiments of an assassin

There's also

Piano, n. A parlor utensil for subduing the impenitent visitor. It is operated by depressing the keys of the machine and the spirits of the audience


stevethesqueeze