Cove

Merriam-Webster Online Dictionary
cove (noun)
1.
a recessed place as - concavity
a) an architectural member with a concave cross section
b) a trough for concealed lighting at the upper part of a wall
2.
a small sheltered inlet or bay
3.
a) a deep recess or small valley in the side of a mountain
b) a level area sheltered by hills or mountains
cove (verb)
transitive verb
to make in a hollow concave form
cove (noun)
British - man fellow