A Window in a Ceiling for Natural Rays
This page is the CodyCross answer for the clue below from Renaissance, Group 1397, Puzzle 2 (Pienza Cathedral).
Question is: A Window in a Ceiling for Natural Rays
and the answer is: SKYLIGHT
Word Meaning:
SKYLIGHT — (architecture) A window, dome, or opening in the roof or ceiling, to admit natural light.
Definitions from Wiktionary.