Overhead protection from the rain (7)
I believe the answer is:
hairnet
'overhead' is the definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps they are linked in a way I don't understand?
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for hairnet that I've seen before include "keeper of locks" , "Mesh worn over the head" , "A woman may wear this" , "It keeps locks in place" , "Headgear" .)