Definition of sunburst
1 : a flash of sunlight especially through a break in clouds
2a : a jeweled brooch representing a sun surrounded by raysb : a design in the form of rays diverging from a central point
First Known Use of sunburst
Learn More about sunburst
Seen and Heard
What made you want to look up sunburst? Please tell us where you read or heard it (including the quote, if possible).