plural attachments
1
: an extra part that can be used with a machine to make it do a particular job
The vacuum cleaner attachments help clean in tight spaces.
I need a longer attachment for the drill.
2
: strong feelings of affection or loyalty for someone or something
—usually singular
the baby's attachment to his mother
They all have a deep attachment to the old house.
People need emotional attachment.
3
: a document or file that is sent with e-mail
I'll send the document as an attachment to my next e-mail.
4
a
: a part that is used to connect or attach something
The attachments that connect the rack to the car are rusted and should be replaced.
b
: the act of connecting or attaching something
There are two brackets for attachment of the shelf.
Cite this Entry
“Attachment.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/attachment. Accessed 19 Jun. 2026.
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