adjoin
verb.
lie adjacent to another or share a boundary
Canada adjoins the U.S.|England marches with Scotland
Synonym: edge, butt on, butt against, butt, border, abut, march
verb.
be in direct physical contact with; make contact
The two buildings touch|Their hands touched|The wire must not contact the metal cover|The surfaces contact at this point
Synonym: contact, meet, touch
verb.
attach or add
I adjoin a copy of your my lawyer's letter