0 someone who makes changes to a piece of music so that it can be played in a different way or by a different instrument:
1 someone who plans, prepares for, or organizes something:
He was said to be the arranger of the deal.
2 someone who puts objects in a particular order or position:
a flower arranger
The software enables arrangers to play their songs on, say, a keyboard and end up with a fully notated score on the computer.
The company is a national arranger of corporate conferences.
She is well known as the arranger of celebrity magazine interviews.
Borrowers are guided through the process by a mortgage arranger.
The arranger of the chairs had decided to put them in a semicircle.
He jokes that his MFA degree is an acronym for "Masterful Furniture Arranger".