Church on a hill seen with flashlight (5)
I believe the answer is:
torch
'flashlight' is the definition.
(I know that flashlight can be written as torch)
'church on a hill' is the wordplay.
'church' becomes 'ch' (common abbreviation).
'on' is a charade indicator (letters next to each other).
'a hill' becomes 'tor' (tor is a kind of hill).
'ch' after 'tor' is 'TORCH'.
'seen with' acts as a link.
(Other definitions for torch that I've seen before include "Deliberately set fire to" , "Burn maliciously" , "source of illumination" , "may get one glowing" , "source of enlightenment" .)