† ˈfulguranceObs.rare. [f. next: see -ance.] Dazzling brilliance (as of lightning). 1652Benlowes Theoph. vi. xxiv, Who, like a full-orb'd Moon, our stars out-shin'd In glorious Fulgurance of minde.Ibid. vii. xxviii, From this Fulgurance such splendors fly.