be next to and connected to another building, room, area etc.
"Canada adjoins the U.S."
"England marches with Scotland"
"The two buildings touch"
"Their hands touched"
"The wire must not contact the metal cover"
"The surfaces contact at this point"
"I adjoin a copy of your my lawyer's letter"
A massy wheel,..To whose huge spokes ten thousand lesser things Are mortis'd and adjoin'd.
出自：Hamlet , Shakespeare