坝(壩)bà 1.拦水的建筑物{dam; barrier blocking the flow of water}: 拦河～。{dam across a river} 2.河工险要处巩固堤防的建筑物,如丁坝。{dyke; embankment; reinforcing of a river dyke, e.g. spur dyke} 3.〈方dial.〉沙滩;沙洲。{sandbar} 4.same as坝子{bà·zi}②(多用于地名{oft. in place names}): 雁门～(在四川){Yanmenba (in Sichuan Province)}|留～(在陕西)。{Liuba (in Shaanxi Province)}