n. [ OE. rigge the back, AS. hrycg; akin to D. rug, G. rücken, OHG. rucki, hrukki, Icel. hryggr, Sw. rugg, Dan. ryg. √16. ] 1. The back, or top of the back; a crest. Hudibras. [ 1913 Webster ] 2. A range of hills or mountains, or the upper part of such a range; any extended elevation between valleys. “The frozen ridges of the Alps.” Shak. [ 1913 Webster ] Part rise in crystal wall, or ridge direct. Milton. [ 1913 Webster ] 3. A raised line or strip, as of ground thrown up by a plow or left between furrows or ditches, or as on the surface of metal, cloth, or bone, etc. [ 1913 Webster ] 4. (Arch.) The intersection of two surface forming a salient angle, especially the angle at the top between the opposite slopes or sides of a roof or a vault. [ 1913 Webster ] 5. (Fort.) The highest portion of the glacis proceeding from the salient angle of the covered way. Stocqueler. [ 1913 Webster ] | 
