noun[ C ]USuk/ˈkləʊ.vəˌliːf/us/ˈkloʊ.vɚˌliːf/cloverleafs or cloverleaves/ˈkləʊ.vəˌliːvz//ˈkləʊ.vɚˌliːvz/
（道路的）四叶式立体交叉，苜蓿叶式立体交叉
a connection between two roads consisting of four smaller, curved roads that allows vehicles to move from one road to the other without crossing the flow of traffic