WordNet (r) 3.0 (2006):
butt against v 1: lie adjacent to another or share a boundary; "Canada adjoins the U.S."; "England marches with Scotland" [syn: border, adjoin, edge, abut, march, butt, butt against, butt on] 2: collide violently with an obstacle; "I ran into the telephone pole" [syn: run into, bump into, jar against, butt against, knock against]