a controlled technique of lighting, used in photography or the theater, in which a light is placed behind or at right angles to an object, person, or scene to produce such effects as depth or separation of subject and background.
Origin of backlighting
Also called rim lighting.
verb (used with object), back·light·ed or back·lit, back·light·ing.
to illuminate (something) from behind.
Origin of backlight
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019