Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

attachment

noun [C] (COMPUTING)
 
 
/əˈtætʃ.mənt/

Definition

B2 a computer file that is sent together with an email message: I'll email my report to you as an attachment. I wasn't able to open that attachment.Operating computers
(Definition of attachment noun (COMPUTING) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“attachment” in other dictionaries

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More