ridge

noun

• 1a long, narrow hilltop, mountain range, or watershed:the North-East ridge of Everest
• the line or edge formed where the two sloping sides of a roof meet at the top: the roof was unusual due to the relative heights of the eaves and the ridge
• a narrow raised band on a surface:buff your nails in order to smooth ridges
• a raised strip of arable land, especially (in medieval fields) one of a set separated by furrows: a path led through the ridges and furrows of fields long left to nature

• 2 Meteorology an elongated region of high barometric pressure: a high-pressure ridge helping to steer cyclones further south

verb

• mark with or form into ridges:the ridged sand of the beach a field ploughed in narrow stretches that are ridged up slightly
• [no object] (of a surface) form into or rise up as a ridge: the crust of the earth ridged