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

Otherwise, put mail into your mailbox up to a week before election day. — Dana Taylor, USA Today, 11 Aug. 2026

It’s designed for locations such as gates, sheds, mailboxes, storage units and detached garages, with a stronger magnet and larger activation gap than a typical indoor contact sensor (again, could be a good solution for my garage door issue). — Paul Lamkin, Forbes.com, 10 Aug. 2026

The pickup truck hit multiple mailboxes and then a tree, police said. — Adam Harrington, CBS News, 9 Aug. 2026

Late last week, at least 10 Wyandotte County voters who sent mail-in ballots to the county election office saw those ballots return to their mailboxes. — Sofi Zeman, Kansas City Star, 5 Aug. 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