(intransitive) 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)

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

(transitive) To border on.

The point of junction between two things, in particular a support, that abuts. / (engineering, architecture) The solid portion of a structure that supports the lateral pressure of an arch or vault.

simple past tense and past participle of abut

Third-person singular simple present indicative form of abut

plural of abutment

present participle of abut

abutment

Facing each other, front to front.