attachment

noun
UK /əˈtætʃ.mənt/
US /əˈtætʃ.mənt/

An attachment is something you fasten or join to something else.

She sent an email with a photo attachment.


OTHER MEANINGS

2. A strong feeling of love or friendship that ties you to someone.

The puppy formed a strong attachment to its new owner.

3. A file sent along with an email.

Please open the attachment to see the schedule.

4. A part added to a machine or tool to help it do more.

The vacuum cleaner comes with a brush attachment for corners.

5. The act of joining or fastening something.

The attachment of the wheels took only a few minutes.