mailbox

/ˈmeɪlˌbɑks/
noun
  1. A private box or container where mail is delivered for a specific person or address.
    • I check my mailbox every afternoon for letters and packages.
    • The new mailbox we installed has a lock to keep mail safe.
    • She found a birthday card in her mailbox this morning.
  2. A public box on a street where people deposit outgoing mail for collection by the postal service.
    • Make sure the stamp is on the letter before putting it in the mailbox.
    • He dropped the envelope into the blue mailbox on the corner.
    • There is a mailbox outside the post office that you can use after hours.
  3. A digital folder or storage area for email messages.
    • She organized her mailbox into folders for different projects.
    • Please send the report to my work mailbox.
    • I have over a hundred unread emails in my mailbox.
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