1: an elevated body part or structure

2a: a range of hills or mountains

b: an elongate elevation on an ocean bottom

3: an elongate crest or a linear series of crests

4: a raised strip (as of plowed ground)

5: the line of intersection at the top between the opposite slopes or sides of a roof

“Ridge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ridge. Accessed 5 Feb. 2021.