From Longman Dictionary of Contemporary Englishabuta‧but /əˈbʌt/ (also abut on) verb (abutted, abutting) [transitive] formal PLACEif one piece of land or a building abuts another, it is next to it or touches one side of it → adjoin→ See Verb table
Examples from the Corpus
abut• Take a 15-storey building abutting a three-storey structure.• The back end of the truck should end up just abutting the door of the bay.• She veered away and, with no alternative site in view crashed into the swamp abutting the landing field.• There was a small, dark bar abutting the lanes, and it called to me.Origin abut (1400-1500) Partly from Old French aboter “to share a border with”, from bout “act of hitting, end”, from boter “to hit”; partly from Old French abuter “to come to an end”, from but “end, aim” 