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

What To Know Canada Post is moving ahead with plans that could end door-to-door mail delivery for millions of addresses, shifting more households to community mailboxes as part of a major restructuring effort. —Sam Stevenson, MSNBC Newsweek, 1 Apr. 2026

The problems included narrow kitchens, bathrooms and doors, mailbox keys and laundry room dryers too high for wheelchair users, and steps up leading to private balconies and common areas like roof decks, the suit alleges. —John Annese, New York Daily News, 29 Mar. 2026

If your exhaust tips over the legal decibel limit, a ticket arrives in your mailbox days later. —Kim Komando The Kim Komando Show, FOXNews.com, 28 Mar. 2026

Dade residents have been finding petitions in their mailboxes that support either side of the argument. —Miami Herald Archives, Miami Herald, 27 Mar. 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
• firebox
• gearbox
• hemlocks

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