"lightning bug" in German lightning bug Glühwürmchen Leuchtkäfer Detailed translations for "lightning bug" lightning bug lightning bug(also: firefly, glow worm, glowworm) das Glühwürmchen{neuter} lightning bug(also: firefly, glow worm, glowworm) der Leuchtkäfer{masculine} English synonyms for "lightning bug" lightning bug {n} firefly