in-box

noun
\ˈin-ˌbäks \
variants: or inbox

Definition of in-box 

1 : a box or tray (as on a desk) for holding incoming interoffice mail

2 : a computer folder devoted to incoming e-mail

First Known Use of in-box

1958, in the meaning defined at sense 1

Keep scrolling for more

Learn More about in-box

Statistics for in-box

Look-up Popularity

Time Traveler for in-box

The first known use of in-box was in 1958

See more words from the same year

Keep scrolling for more

More Definitions for in-box

in-box

noun

English Language Learners Definition of in-box

: a box or other container on a desk in which letters, notes, etc., that are sent to the desk are placed

computers : a computer folder that holds new e-mail messages

More from Merriam-Webster on in-box

See words that rhyme with in-box

Spanish Central: Translation of in-box

Comments on in-box

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

WORD OF THE DAY

a generally accepted meaning of a word

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

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