To 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)

“His land abuts on the road.”

To border upon; be next to; abut on; be adjacent to.

To lean against on one end; to end on, of a part of a building or wall.

Abutment

“the abuttings of roads”

Facing each other, front to front.