lawnmower parentnoun [ C ]
uk/ˈlɔːn.məʊ.ə ˌpeə.rənt//ˈlɑːn.moʊ.ɚ ˌper.ənt/parents who try to remove all the difficulties that their children might have to deal with:
She criticized lawnmower parents, who try to come in and literally smooth out an obstacle in a child’s path.