[bak-lahyt] 
noun, verb, -light⋅ed or -lit, -light⋅ing.| 1. | Movies, Television. a light source placed behind an actor, object, or scene to create a highlight that separates the subject from the background. |
| 2. | to illuminate (something) from behind. |
| back·light (bāk'līt') n. A type of spotlight, used in photography, that illuminates a subject from behind. tr.v. back·light·ed or back·lit (-lĭt'), back·light·ing, back·lights To light from behind: The photographer backlit the subject for a dramatic effect. |
