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

The fraud spree came crashing down on May 12, 2017, when an Elk Grove resident on Nestani Way called police to report a suspicious person taking envelopes from a neighbor's mailbox. Benjy Egel, sacbee, "Sacramento man gets nearly four years in prison for Postal Service scam | The Sacramento Bee," 30 Apr. 2018 The tokens and trinkets from all over the world left nearly daily in our school mailboxes? Loren Kleinman And Amye Archer, Marie Claire, "I’m a Survivor of Sandy Hook. This Is What The Past Six Years Have Been Like.," 14 Dec. 2018 But loyal primary voters will likely find ads in their mailboxes or on the screens of their electronic devices as Election Day nears. Rich Exner,, "Campaign for Ohio congressional redistricting reform is low-profile and low-budget," 18 Apr. 2018 The proposal to license access to mailboxes was one of the ideas for using existing assets to find new revenue. Heidi Vogt, WSJ, "U.S. Proposal Would Let Postal Service Sell Access to Your Mailbox," 11 Dec. 2018 The large window in the letter disclosed John Doe’s status to the public, postal employees, friends, neighbors and members of the household who retrieved the letter from the mailbox and later left it on the kitchen counter, the lawsuit alleges. Naseem S. Miller,, "Person with HIV sues Aetna in Orange County," 11 July 2018 In April, one ended up in the mailbox of Christina McLean, a Collingswood resident for nearly two decades. Caitlin Mccabe,, "Collingswood begins shutting down Airbnbs, as cities and towns worldwide struggle to regulate it," 27 June 2018 When springtime came around and application letters starting popping up in mailboxes and email notifications, I was accepted into 16 universities and waitlisted at 2. Fresh U, Teen Vogue, "I Applied to 25 Colleges — Here's What I Learned," 25 Sep. 2018 Not long after, the check arrived in Mason’s mailbox. Nicole Brodeur, The Seattle Times, "How Paul Allen quietly saved an Orcas Island preschool," 19 Oct. 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

8 Feb 2019

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

chiefly US
: 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

More from Merriam-Webster on mailbox

Rhyming Dictionary: Words that rhyme with mailbox

Spanish Central: Translation of mailbox

Nglish: Translation of mailbox for Spanish Speakers

Britannica English: Translation of mailbox for Arabic Speakers

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).


to express emotion in a dramatic way

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

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!