lawn bowling
noun [ U ] US uk/ˈlɔːn ˌbəʊ.lɪŋ/ us/ˈlɑːn ˌboʊ.lɪŋ/ (UK bowls)
草地滚木球戏;地滚球戏
a game played either outside on smooth grass or inside on an artificial surface, in which the players roll a large black or brown ball as close as possible to a smaller white ball