ridge

ridge /ˈrɪʤ/ noun
plural ridges
ridge
/ˈrɪʤ/
noun
plural ridges
Britannica Dictionary definition of RIDGE
[count]
1 
: a long area of land that is on top of a mountain or hill
2 
: a raised part or area on the surface of something
3 
: the place where two sloping surfaces meet
4 
weather : a long area of high atmospheric pressure
— compare trough 4