[ uh-kawr-dee-uh-nist ]
/ əˈkɔr di ə nɪst /
a person who plays the accordion, especially with skill.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for accordionist
The musicians play in a little balcony, and here there are two of them, an accordionist and a guitarist.The Merry-Go-Round|Carl Van Vechten