mailbox

noun

mail·​box ˈmāl-ˌbäks 

1

: a box at or near a dwelling for the occupant's mail

2

: a public box for deposit of outgoing mail

3

: a computer file in which email is collected

Examples of mailbox in a Sentence

On the way to work, I dropped my letters in the corner mailbox.

She checked her mailbox daily, hoping for a letter from her son.

Recent Examples on the Web

Checks were stolen from someone’s mailbox. — Nollyanne Delacruz, Mercury News, 9 June 2026

Empty the mailbox before leaving on a trip, and be sure to sort through mail that's been piling up. — Kristina McGuirk, Better Homes & Gardens, 20 June 2026

The letters began hitting mailboxes the week of June 22. — Joseph Buczek, CBS News, 22 June 2026

The mailboxes are back to wreak more psychological warfare on our Islanders, and some of them genuinely need it. — Kathleen Walsh, Vulture, 26 June 2026

Word History

First Known Use

1868, in the meaning defined at sense 1

Rhymes for mailbox

• botox
• checkbox
• comox
• cornstalks
• cowpox
• crosswalks
• deadlocks
• detox
• feedstocks
• gearbox
• hemlocks
• icebox

Kids Definition

mailbox

noun

mail·​box ˈmā(ə)l-ˌbäks 

1

: a public box in which to place outgoing mail

2

: a private box (as on a house) for the delivery of incoming mail

3

: a computer file in which email is collected