Dictionary

To fasten, to join to (literally and figuratively).

Example: An officer is attached to a certain regiment, company, or ship.

To adhere; to be attached.

To come into legal operation in connection with anything; to vest.

Example: Dower will attach.

To win the heart of; to connect by ties of love or self-interest; to attract; to fasten or bind by moral influence; with to.

Example: attached to a friend; attaching others to us by wealth or flattery

Connected; joined.

Fond of (used with to).

Example: I'm very attached to my pets.

In a romantic or sexual relationship.

Example: As far as I know, he isn't attached, so I'm going to invite him out on a date.

Broadly joined to a stem or stipe, but not decurrent.

Example: In this group of mushrooms, the attachment of the gills to the stipe ranges from attached to almost decurrent.