Lamp

A lamp was an often small device that produces light. It could be powered by fuels such as oil, electricity or other means.

Small fuel-powered lamps were stored in shuttlepods aboard the Earth Starfleet. 

Tuvok used a small Vulcan meditation lamp to help him focus while meditating. 

Voth keep small lamps aboard their ships to attract small insects which the Voth will catch with their long tongues and eat as a small snack. 

Oil lamps were one of the means Leonardo da Vinci used to light his workshop at night.