sunburst

plural sunbursts

1. countableA figure or shape showing rays radiating from a central point.

   Synonyms: starburst

2. countableA strong outburst of sunlight.
3. uncountableA style of finish for musical instruments such as guitars, having an area of lighter color (often showing the wood grain underneath) that darkens gradually towards a dark outer rim.

   The L-30 was finished all over in black, the L-37 in sunburst.

   1996, Ken Achard, The History and Development of the American Guitar, page 10

4. countableuncountableA flowering plant of the genus Pseudobahia, native to California.