definition of
adjoin

[1] #1 adjoin v. [border, edge, abut, march, butt, butt against, butt on] lie adjacent to another or share a boundary; "Canada adjoins the U.S."; "England marches with Scotland". wn

[2] #2 adjoin v. [touch, meet, contact] 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". wn

[3] #3 adjoin v. attach or add; "I adjoin a copy of your my lawyer's letter". wn