1 a curved structure that supports the weight of sth above it, such as a bridge or the upper part of a building 拱型结构，拱状物（用于支撑桥梁或建筑物的顶部） ☞Look at archway. 参看 archway。

2 a structure with a curved top that is supported by straight sides, sometimes forming an entrance or built as a MONUMENT 拱；拱门；拱顶: Marble Arch is a famous London landmark. 云石拱门是伦敦著名的标志物。

3 the curved part of the bottom of your foot 足底弓