Definition of top light in US English:

top light

(also toplight)


  • 1A skylight.

    ‘a top-lighted gallery’
    • ‘Daylighting also progresses with the domestic windows of the old, leading to the baffled top light of the long apertures that run the full length of the extension's rough plaster ceilings.’
    • ‘In Munich large paintings were displayed in lofty rooms fitted with top lights, while small cabinet pictures were hung in the surrounding rooms with windows at the side.’
  • 2British A small pane above a main window, typically opening outward and upward.

    • ‘Horizontal bandings and circular-framed top lights accent the windows.’
    • ‘Instead of ridge planting she has inserted the glazed top light and surrounded it with planters buried in the thatch.’