Definition of cross light in English:

cross light

noun

  • A light positioned to illuminate the parts of a photographic subject which the main lighting leaves in shade:

    ‘keep the light a little high and put a cross light on her to bring the cheekbones out’
    • ‘Try using a torch to investigate how much more detailed contrast you can get by using cross light.’
    • ‘We decided to use the angled cross lights to simulate a night club/rock concert mood.’
    • ‘The combination of frontlight from the ceiling Cove and cross light from the ends of the Second Pipe makes a good, all purpose general wash.’