candlebomb noun2 •A pasteboard shell used in signaling, filled with a substance which makes a brilliant light when it explodes.sounds of guns , trumpets , bells , drums , steam - blasts , whistles , flights of rockets , explosions of candlebombs, etc. — 1879 •A small glass bubble, filled with water, which, if placed in the flame of a candle, bursts by expansion of steam. formscandlebombs