Conceal land between hills in poetry read aloud (4)
I believe the answer is:
veil
'conceal' is the definition.
(I know this)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for veil that I've seen before include "Lacy facial covering" , "Transparent face cover" , "Face concealer" , "Nun's head-covering" , "Concealing material" .)