- n a long narrow natural elevation or striation
- n any long raised strip
- n a long narrow natural elevation on the floor of the ocean
- n a long narrow range of hills
- n any long raised border or margin of a bone or tooth or membrane
- n a beam laid along the edge where two sloping sides of a roof meet at the top; provides an attachment for the upper ends of rafters
- v extend in ridges
The land ridges towards the South
- v plough alternate strips by throwing the furrow onto an unploughed strip
- v throw soil toward (a crop row) from both sides
He ridged his corn
- v spade into alternate ridges and troughs
ridge the soil
- v form into a ridge
- An expedition of 50 scientists that spent 45 days aboard the Rossia nuclear ice-breaker found that an underwater ridge (the Lomonosov ridge) directly links Russia's Arctic coast to .
- In some places the ridge is sharp as a knife, with cliffs on either side.