Envelope
Pronunciation: /ˈɛnvəˌloʊp/
Envelope (noun)
- A flat paper container used to hold a letter or document.
- A layer or covering that surrounds something.
- The limit or boundary of something, especially in a technical context.
Examples
- She sealed the envelope before mailing it.
- The letter was inside a white envelope.
Common collocations: seal an envelope, address an envelope, open an envelope, protective envelope, outer envelope