ridge
noun
[ rɪdʒ ]
• a long, narrow hilltop, mountain range, or watershed.
• "the North-East ridge of Everest"
• an elongated region of high barometric pressure.
• "a high-pressure ridge helping to steer cyclones further south"
ridge
verb
• mark with or form into narrow raised bands.
• "a field ploughed in narrow stretches that are ridged up slightly"
Origin:
Old English hrycg ‘spine, crest’, of Germanic origin; related to Dutch rug and German Rücken ‘back’.