Definition of ridge
i. A long, narrow elevation of the Earth's surface, generally sharp crested with steep sides, either independently or as part of a larger mountain or hill.
ii. A long elevation of the deep-sea floor having steeper sides and less regular topography than a rise.
Ref: AGI
ii. A long elevation of the deep-sea floor having steeper sides and less regular topography than a rise.
Ref: AGI