Attach definition

(1) Be attached; be in contact with

(2) Become attached

"The spider's thread attached to the window sill"

(3) Cause to be attached

(4) Take temporary possession of as a security, by legal authority

"The FBI seized the drugs"

"The customs agents impounded the illegal shipment"

"The police confiscated the stolen artwork"

(5) Create social or emotional ties

"The grandparents want to bond with the child"