дорожное строительство "клеверный лист" (конструкция транспортной развязки)
"клеверный лист" (конструкция пересечения автомобильных дорог)
I. adjective resembling a clover leaf in shape II. noun (plural cloverleafs or cloverleaves) an interchange between two major highways that allows traffic to change from one to the other without requiring any left turns or crossings and that from above resembles a 4-leaf clover