Gives Off a Glow, Screwed Into a Lamp
Puzzle 16 of Hot Things Piece of Cake Pack
Question is: Gives Off a Glow, Screwed Into a Lamp
and the answer is: LIGHTBULB
Word Meaning:
LIGHT BULB — An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.
Definitions from Wiktionary.