envelope
- noun
- A2
- Top 3000
A flat paper cover that you put a letter or card inside before you send it.
She sealed the envelope and wrote the address in neat capitals.
A brown envelope with a small window arrived this morning.
He tore open the envelope to read his exam results.
Slip the birthday card into the envelope before you forget.
Common collocations: seal an envelope · open an envelope · a brown envelope · a padded envelope · address an envelope · a self-addressed envelope
Part of: The post office, Writing, The office, Business correspondence