a. [ad. L. fulgurant-em, pr. pple. of fulgurāre to lighten, f. fulgur lightning: see -ANT.] Flashing like lightning.
1647. H. More, Resolution, Poems, 175. [Though] Nature play her fiery games In this forcd Night, with fulgurant flames.
1840. Browning, Sordello, v. 43. Careful Joves face be duly fulgurant. Ibid. (1868), Ring & Bk., VI. 1600. That erect form, flashing brow, fulgurant eye.
Hence Fulgurantly adv.
1873. Dowden, The Poetry of Victor Hugo, in Contemporary Review, XXII. July, 193. This eruption [in Victor Hugos Les Châtiments], which is meant to overwhelm the gewgaw Empire goes on fulgurantly, resoundingly, and not without scoriae and smoke.