Profile (5)
'profile' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for silhouette that I've seen before include "Outline figure" , "image" , "Shadowy outline" , "Outline representation" , "Profile of characters" .)
'profile' is the definition.
(eg someone's public profile or image)
This is the entire clue.
(Other definitions for image that I've seen before include "Vision" , "Likeness, might be spitting" , "of Kairos with Melchior?" , "Optical counterpart in mirror" , "Idol; simile" .)