1.VerbTo touch by means of a mutual border, edge or end; to border on; to lie adjacent (to); to be contiguous (said of an area of land) .mw-parser-output .defdate{font-size:smaller}
"It was a time when Germany still abutted upon Russia.; His land abuts on the road."
2.VerbTo border upon; be next to; abut on; be adjacent to.
3.VerbTo lean against on one end; to end on, of a part of a building or wall.