lollipop man
noun /ˈlɒlipɒp mæn/
/ˈlɑːlipɑːp mæn/
(British English, informal)- a man whose job is to help children cross a busy road on their way to and from school by holding up a sign on a stick telling traffic to stop
Topics Educationc2, Transport by car or lorryc2(手持车辆暂停牌以帮助学童穿越马路的)交通安全员