Eyelid hair (4)
I believe the answer is:
lash
'eyelid hair' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for lash that I've seen before include "Bind tightly with a rope or cord" , "Secure with rope" , "Fasten with rope; whip" , "over the eye" , "Beat severely with a whip" .)