A genus of buccinids, the typical species of which (French carica) has reddish or brownish streaks suggesting lightning. It is typical of the subfamily Fulgurinæ.(noun)
The Century Dictionary (Public Domain)
Use "fulgur" in a sentence
"But first, about that name: According to von Bismarck, ‘Image Fulgurator’ comes from the Latin for ‘lightning’ (fulgur) and means ‘Flash Thrower’."
"Called fulgurites from the Latin fulgur for thunderbolt these shafts of "solid lightning""
"Non fero fulgur oculorum tuorum, is the language of every subject's heart, struck with the awful aspect of a resolute and magnanimous prince."