overlap /ˌəuvəˈlæp/ I. vi. & vt. (overlapped, overlapping) 1. (与…)互搭，(与…)复叠: tiles that overlap one another 互搭的瓦片；overlapping boards 重叠的木板［考句］When you put up wallpaper, you should overlap the edges or put them next to each other. 贴墙纸时，你要把纸的边缘重叠或紧挨着另一张。2.(与…)部分相同：His duties (authority) and mine overlapped.他的职责(权力)跟我的一部分相同。 ‖II. n. ［c］ & ［u］互搭，复叠：overlap method 重复法；overlap of orbits 轨道重叠