jim-kah-nuh]
| 1. | a field day held for equestrians, consisting of exhibitions of horsemanship and much pageantry. |
| 2. | Also called autocross. a competition in which sports cars are timed as they travel on a closed, twisting course that requires much maneuvering. |
| 3. | any of various other sporting events, as a gymnastics exhibition or surfing contest. |
| 4. | a place where any such event is held. |