Obs. [L., f. fulgēre to lighten.] Lightning, a flash of lightning.
1563. W. Fulke, Meteors (1640), 27. Fulgur is that kinde of Lightning which followeth Thunder.
1695. DUrfey, Gloriana, ix. 2. Till by some Flashes of Ætherial Fire, And fatal Fulgur glimmering Light was lent.
fig. 1665. Sir T. Herbert, Trav. (1677), 175. Nor may they offend the King, who by the fulgur of his eye can dart them dead as soon as speak the word.