adjoin

(verb) lie adjacent to another or share a boundary. Synonyms: border, edge, abut, march, butt, butt against, butt on. Examples: "Canada adjoins the u.s.." "England marches with scotland."

(verb) be in direct physical contact with; make contact. Synonyms: touch, meet, contact. Examples: "The two buildings touch." "Their hands touched." "The wire must not contact the metal cover." "The surfaces contact at this point."

(verb) attach or add. Example: "I adjoin a copy of your my lawyer's letter."