I. ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: back (III) + light
: illumination falling upon an object from behind especially throwing it into relief
a feather floating white in the dazzling backlight of the sun — Ralph Ellison
II. transitive verb
: to illuminate with a backlight or backlighting
the sun dropped lower, backlighting the peaks — Douglass Wallop
a backlighted camera shot