Definition of "side-light" []

• Light coming from the side or in a sidewise manner: as, to take a photograph by side-light. (noun)
• An oblique or incidental illustration or exposition. (noun)
• A light or window characterized by its position beside some other feature, as, especially, one of the tall narrow windows frequently introduced on each side of the entrance-door of a house. (noun)
• A window in the wall of a building, in contradistinction to a skylight. (noun)
• A plate of glass in a frame fitted to an air-port in a ship's side, to admit light. (noun)

The Century Dictionary (Public Domain)

• "Through The South Seas With Jack London (Dodd, Mead 1913) “As we were cruising in a general westerly direction through the New Hebrides, a little incident occured which throws a side-light on the man, Jack London.”"
• "Spend enough time at "The Sacred Made Real" and the paintings, with their figures "spotlit" against indeterminate darkness, start to read as "portraits" of the sculptures, a not-unlikely notion underlined by the pairing of Mart nez Monta z's exquisitely carved "Crucifixion" and Zurbar n's two-dimensional version, in which Christ is like a carving in strong side-light."
• "It's actually more of a "side-light" since true backlighting wouldn't work very well with the e-ink display."