Mascara target (7)
(Other definitions for eyelash that I've seen before include "hair near Iris" , "Short curved hair" , "Short facial hair" , "batter" , "Facial hair, cilium" .)
'mascara target' 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 "Whip or scourge" , "cat hair?" , "Secure with rope" , "Whip; attack verbally" , "Beat; fasten with cord" .)