fulguratio

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

fulgŭrātĭo, ōnis, f. [fulguro],

sheetlightning , lightning : fulguratio est late ignis explicitus: fulmen est coactus ignis et impetu jactus, Sen. Q. N. 2, 16; 2, 12; 21; 56.—In plur.: nubes mediocriter collisae fulgurationes faciunt: efficiunt majore impetu pulsae fulmina, Sen. Q. N. 1, 1, 5.