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

Write a letter to the Grammy winner and send it off in a cheery, red mailbox. —Madeleine Marr, Miami Herald, 27 Nov. 2025

According to court documents, the dispute began when Konan discovered the mailbox key for one of her rental properties had been changed without her knowledge, preventing her from collecting and distributing tenants’ mail from the box. —Susan Haigh, Fortune, 26 Nov. 2025

Be sure to leave enough room for your mail person to reach your mailbox. —Mariyam Muhammad, Cincinnati Enquirer, 25 Nov. 2025

Of the changes, the government called on Canada Post to end door-to-door delivery for 4 million addresses, instead converting those addresses to community mailboxes. —Glenn Taylor, Sourcing Journal, 24 Nov. 2025

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