To adjoin or meet at an edge or boundary. He is finding it difficult to sell his house since his property abuts on a cemetery.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
abut on something
[particularly of the edge of an area of land] to meet or touch something along one boundary or at one point. Our land abuts on the shopping center's parking lot.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.