[abut] vb abut.ted ; abut.ting [ME abutten, partly fr. OF aboter to border on, fr. a- (fr. L ad-) + bout blow, end, fr. boter to strike; partly fr. OF abuter to come to an end, fr. a- + but end, aim--more at [1]butt, [4]butt] vi (15c) 1: to touch along a border or with a projecting part "land ~s on the road"
2. a: to terminate at a point of contact b: to lean for support ~ vt 1: to border on
2: to cause to abut