cove [1]
n
1 a small bay or inlet, usually between rocky headlands
2 a narrow cavern formed in the sides of cliffs, mountains, etc., usually by erosion
4 (Also called)
coving (Architect) a concave curved surface between the wall and ceiling of a room
vb
5 tr to form an architectural cove in
(Old English cofa; related to Old Norse kofi, Old High German kubisi tent)