Candlebomb
Pronunciation : Can"dle*bomb`
Part of Speech : n.
Definition : 1. A small glass bubble, filled with water, which, if placed in the flame of a candle, bursts by expansion of steam.
2. A pasteboard shell used in signaling. It is filled with a composition which makes a brilliant light when it explodes. Farrow.
Source : Webster's Unabridged Dictionary, 1913