What is "ceils"

Usage examples of "ceils".

They were everywhere and ruled everything, and then the wild ceils learned how to dance together, in one enormous body, and the living worm was transformed for the next seven hundred million years.

Night beneath the domes, with the darkling sunset and midnight ceils of the municipalities announcing an end to the day's labors?

Up to now, all his flights had been in broad daylight and although it was late in the year, the weather had been warm and sunny - just what was needed to charge the solar ceils that delivered power from the wings to the motor.