Arch of Colors in the Sky on a Sunny, Rainy Day
Puzzle 18 of Shiny Things Piece of Cake Pack
Question is: Arch of Colors in the Sky on a Sunny, Rainy Day
and the answer is: RAINBOW
Word Meaning:
RAINBOW — A multicoloured arch in the sky, produced by prismatic refraction of light within droplets of rain in the air.
Definitions from Wiktionary.