Bible Dictionaries
Jurassic

Webster's Dictionary

(1):

(a.) Of the age of the middle Mesozoic, including, as divided in England and Europe, the Lias, Oolite, and Wealden; - named from certain rocks of the Jura mountains.

(2):

(n.) The Jurassic period or formation; - called also the Jura.

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