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; provides attachment for upper end of rafters
1.extend in ridges;
The land ridges towards the South
2.plough alternate strips by throwing the furrow onto an unploughed strip
3.throw soil toward (a crop row) from both sides;
He ridged his corn
4.spade into alternate ridges and troughs;
ridge the soil
5.form into a ridge