verb (used with object)
- to be close to or in contact with; abut on: His property adjoins the lake.
- to attach or append; affix.
verb (used without object)
- to be in connection or contact: the point where the estates adjoin.
- to be next to (an area of land, etc)
- (tr foll by to) to join; affix or attach
c.1300, “unite, ally” from Old French ajoin- stem of ajoindre “join together, unite,” from Latin adjungere “fasten on, harness, join to,” from ad- “to” (see ad-) + jungere “to bind together” (see jugular). Meaning “be contiguous with, be adjacent to” is from late 14c. Related: Adjoined; adjoining.