Bible Dictionaries
Lias

Webster's Dictionary

(n.) The lowest of the three divisions of the Jurassic period; a name given in England and Europe to a series of marine limestones underlying the Oolite. See the Chart of Geology.

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