
1) Earth phenomena
Found on
https://www.crosswordclues.com/clue/sunbreak

A sunbreak is a natural phenomenon in which sunlight obscured over a relatively large area penetrates the obscuring material in a localized space. The typical example is of sunlight shining through a hole in cloud cover. A sunbreak piercing clouds normally produces a visible shaft of light reflected by atmospheric dust, called a sunbeam. Another f...
Found on
http://en.wikipedia.org/wiki/Sunbreak

a projection from the side of a building for intercepting part of the sunlight falling upon the adjacent surface.
Found on
https://www.infoplease.com/dictionary/sunbreak
No exact match found.