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

New York City residents can expect to see the funds in their mailboxes or direct deposit accounts late this month. —Marcia Kramer, CBS News, 16 June 2026

Californians couldn’t escape billionaire Tom Steyer’s political ads — during newscasts, sitcoms or sporting events; on streaming services, YouTube, influencers’ social media feeds; or in their mailboxes. —Seema Mehta, Los Angeles Times, 10 June 2026

Stephens turned his Jeep toward the bush, striking Salisbury, then crashed into a mailbox and another vehicle parked on the street, authorities said. —City News Service, San Diego Union-Tribune, 9 June 2026

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