autocross
/ˈɔːtəʊkrɒs/noun
mass noun
1- Brit. a form of motor racing in which cars are driven singly or in heats over a course including rough terrain or unmade roads〈英〉（汽车）场地越野赛。比较RALLYCROSS.
1.1
- N. Amer. a form of competition in which cars are driven around an obstacle course, typically marked out by cones on an empty car park〈北美〉绕桩（尤指在空停车场上用锥形交通路标围出比赛路线的汽车赛）。
词源
1960s: blend of AUTOMOBILE and CROSS-COUNTRY.