overpart
/ˈoʊvərˌpɑrt/Definitions
1. noun
A part of a theatrical costume, especially a decoration, that covers the head or shoulders, often elaborate or ornate.
“The opera singer’s overpart was a stunning headdress adorned with feathers and gems.”
2. noun
A part of something that covers or exceeds a certain amount or extent.
“The overpart of the company’s profits was allocated to charitable causes.”