Definition of arrangement

• the thing arranged or agreed to; "they made arrangements to meet in Chicago"
• an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement"
• an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification"