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
Starting in 2026, the USPS will no longer guarantee same-day postmarks on mailed returns, meaning taxpayers who wait until April 15 to drop their envelope in a mailbox risk having the IRS treat it as late.
—
Catherina Gioino, Fortune, 24 Mar. 2026
The letters began hitting mailboxes the week of March 9.
—Joseph Buczek, CBS News, 23 Mar. 2026
One of the bullets ended up in the mailbox.
—Evy Lewis, Chicago Tribune, 23 Mar. 2026
A little bigger than a mailbox, the bright yellow box is tucked into the ivy.
—Maggie Penman The Washington Post, Arkansas Online, 22 Mar. 2026
See All Example Sentences for mailbox
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Catherina Gioino, Fortune, 24 Mar. 2026
The letters began hitting mailboxes the week of March 9.
—Joseph Buczek, CBS News, 23 Mar. 2026
One of the bullets ended up in the mailbox.
—Evy Lewis, Chicago Tribune, 23 Mar. 2026
A little bigger than a mailbox, the bright yellow box is tucked into the ivy.
—Maggie Penman The Washington Post, Arkansas Online, 22 Mar. 2026
See All Example Sentences for mailbox
Cite this Entry
“Mailbox.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mailbox. Accessed 31 Mar. 2026.
Copy CitationKids 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
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