Jurassic
Pronunciation : Ju*ras"sic
Part of Speech : a.
Definition : Defn: Of the age of the middle Mesozoic, including, as divided in England and Europe, the Lias, O?lite, and Wealden; -- named from certain rocks of the Jura mountains. -- n.
Defn: The Jurassic period or formation; -- called also the Jura.
(Geol.)
Source : Webster's Unabridged Dictionary, 1913