Bible Dictionaries
Fulgurite

Webster's Dictionary

(n.) A vitrified sand tube produced by the striking of lightning on sand; a lightning tube; also, the portion of rock surface fused by a lightning discharge.

Bibliography Information
Webster, Noah. Entry for 'Fulgurite'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​f/fulgurite.html. 1828.