Relamp | Definition of Relamp by Merriam-Webster.

Is Relamp a word?

verb. To replace the light bulbs of (a fixture, building, etc.); to refit with a new type of light bulb.

What does the term re Lamping mean?

Vocabulary. Lamp: The standard term that lighting industry uses for light bulb. Lamp is another word for light bulb. Relamping: The act of replacing bulbs when they burn out.