Mailbox

Noun

1. A box into which mail is placed. A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.
2. A collection point for mail intended for onward delivery, a secure box or receptacle for this purpose.
3. A delivery point for mail, a box, compartment or slot for this purpose.
4. A folder or account for the storage of email; an electronic inbox or mailstore.