from The Century Dictionary and Cyclopedia
- n. A piece of glass, or a frame with many pieces of glass, let into a floor to allow of the transmission of light from above.
Sorry, no etymologies found.
Sing through, and each with a floor-light racing along at its side.
They looked at the earth through the floor-light, but it was little more than visible -- a black spot drowned in the solar rays.
The bolts of the floor-light, which was more than a foot in diameter, were carefully unscrewed, while Ardan, a good deal affected, prepared to launch his dog's body into space.