mail·box | \-ˌbäks \

Definition of mailbox 

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 e-mail 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

In 2004, 16 years after April's death, the killer left threatening notes, photos and used condoms on three girl's bicycles and in a mailbox in the Fort Wayne area. Vic Ryckaert, Indianapolis Star, "Indiana child killer who taunted police featured on Investigation Discovery," 13 July 2018 Barnett reported that in 2016, 65 mailboxes were damaged, compared to 89 in 2017 and 64 already in the first two months of 2018. Brian Lisik/special To,, "Brunswick road salt levels OK -- for now," 13 Feb. 2018 In other news: An ice cream truck driver was arrested after an alert teenager spotted him appearing to steal mail from the family's mailbox, police said. Zachary Hansen, ajc, "Police believe Tennessee man wanted for attempted homicide is in Atlanta," 22 June 2018 After more than a year of campaigning, mailboxes filled to the brim with candidate literature and seemingly non-stop political commercials, voters will now have 13 hours to cast a ballot for their preferred candidates. Joshua Stewart,, "Voting today? He's what you need to do to make it easy," 5 June 2018 These groups — which are producing much of the political advertising that’s filling mailboxes and video screens these days — are having an outsized influence in California’s primary. John Wildermuth, San Francisco Chronicle, "How California political ads fool voters, while candidates keep hands clean," 30 May 2018 The Shoshone Police Department closed the 300 block of North Carmen Street on Wednesday after finding a homemade bomb had exploded in a mailbox, according to the Times-News. Times-news, idahostatesman, "Homemade bomb explodes in Shoshone mailbox, area is cordoned off," 12 July 2018 Sentencing for six members of an Anchorage theft ring that stole checks and credit cards from mailboxes to raise money and exchange drugs concluded this week, the U.S. attorney's office said Friday. Alex Demarban, Anchorage Daily News, "Members of Anchorage mail-theft ring get up to 6 years’ prison time," 6 July 2018 Those letters will begin to arrive in the mailboxes of Lake County homeowners this week, according to the statement. Frank Abderholden, Lake County News-Sun, "Push is on for governor to sign bill allowing referendum for electing Lake County assessor," 15 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mailbox.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of mailbox

1868, in the meaning defined at sense 1

Keep scrolling for more

Learn More about mailbox

Dictionary Entries near mailbox





mail carrier



Statistics for mailbox

Last Updated

18 Oct 2018

Look-up Popularity

Time Traveler for mailbox

The first known use of mailbox was in 1868

See more words from the same year

Keep scrolling for more

More Definitions for mailbox



English Language Learners Definition of mailbox

: a public box in which letters and packages are placed to be collected and sent out

: a private box on or near a house in which mail is placed when it is delivered

computers : a computer folder that holds e-mail


mail·box | \ˈmāl-ˌbäks \

Kids Definition of mailbox

1 : a public box in which to place outgoing letters

2 : a private box (as on a house) for the delivery of incoming letters

Keep scrolling for more

Comments on mailbox

What made you want to look up mailbox? Please tell us where you read or heard it (including the quote, if possible).


a state of commotion or excitement

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.


Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!