(in sport) an unfair or invalid stroke or piece of play, especially one involving interference with an opponent
the midfielder was booked for a foul on Ford
a disease in the feet of cattle
he was indeed suffering from foul of the foot
(in sport) commit a foul against (an opponent)
United claim their keeper was fouled
collide with or obstruct
the ships became overcrowded and fouled each other
will have to work towards solutions to prevent trucks from fouling railroad tracks