n. 1.a long narrow natural elevation or striation 2.any long raised strip 3.a long narrow range of hills 4.any long raised border or margin of a bone or tooth or membrane 5.a beam laid along the ridge of a roof ridge v. 1.extend in ridges 2.plough alternate strips by throwing the furrow onto an unploughed strip 3.throw soil toward (a crop row) from both sides 4.spade into alternate ridges and troughs 5.form into a ridge
