The binding of a virus to its target cell.

A part of most vacuum cleaners which allows them to reach otherwise inaccessible places.

AT Attachment: Advanced Technology Attachment, a computer disk drive interface standard.

An e-mail attachment.

A part added onto a machine, such as an engineering vehicle, (construction attachments).

Attachment (psychology) – a product of the activity of a number of behavioral systems that have proximity to a person, e.g. a mother, spouse, friend as a predictable outcome Attachment theory.

Attachment as a cause of suffering in some Eastern (Dharmic) religions such as Jainism, Buddhism and Sikhism.

Attachment (law): A means of collecting a legal judgment by levying on property in the possession of a third party.

In some states in the United States including California, prejudgment attachment is a procedure which allows a creditor to levy upon and sometimes seize assets of a defendant prior to judgment as part of the litigation process; see prejudgment attachment.

Attachments (TV Series) - BBC Comedy-Drama that ran from 2000 to 2002 about an internet startup company.