Wordnet 3.0
NOUN (1)
1. a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player;
[syn: accordion, piano accordion, squeeze box]
The Collaborative International Dictionary of English v.0.48:
Accordion \Ac*cor"di*on\, n. [See Accord.] (Mus.) A small, portable, keyed wind instrument, whose tones are generated by play of the wind upon free metallic reeds. [1913 Webster]The Devil's Dictionary (1881-1906):
ACCORDION, n. An instrument in harmony with the sentiments of an assassin.

