Limelight (noun)

1. The center of public attention; the focus of attention or fame.
2. A bright light, originally one produced by burning lime, used in theater to illuminate the stage.

Origin:

From lime ("calcium oxide") + light.

Examples:

1. He was not used to being in the limelight and found the attention overwhelming.
2. The new product launch put the company in the limelight.
3. She was not comfortable being in the limelight.
4. The limelight was used to illuminate the stage.
5. The actor was not comfortable being in the limelight.