ac·cor·di·on
noun/əˈkɔːdiən/
/əˈkɔːrdiən/
- a musical instrument that you hold in both hands to produce sounds. You press the two ends together and pull them apart and press buttons and/or keys to produce the different notes.
enlarge image手风琴 Word Originmid 19th cent.: from German Akkordion, from Italian accordare ‘to tune’.