1earth science, geography a long area of high land, especially at the top of a mountain: The sun disappeared behind the ridge.2a long narrow raised area on a surface: the ridges on the soles of her shoesridge of a ridge of sand3earth science a long area of high atmospheric pressure that affects the weather4the line at the top of a sloping roof, where the two parts of the roof meet
noun | verb
ridgeridge2 verb [transitive]to make a ridge or ridges in something