Pronunciation: (u-but'), [key]
—v., a•but•ted, a•but•ting.
to be adjacent; touch or join at the edge or border (often fol. by on, upon, or against): This piece of land abuts on a street.
1. to be adjacent to; border on; end at.
2. to support by an abutment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.