camber
Word family nouncambercambering
cam·ber /ˈkæmbə $ -ər/ noun [countableC, uncountableU] TTR technical a slight curve from the centre of a road or other surface to the side, which makes water flow to the side 中凸形,拱势〔路面等中间微拱的弧面,可使水流向两边〕 Origin camber (1600-1700) French cambre, from cambrer “to curve”, from Latin camur “curved”