jurassic Meaning, Definition & Usage
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noun from 190 million to 135 million years ago; dinosaurs; conifers
Jurassic period.
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adjective of or relating to or denoting the second period of the Mesozoic era
WordNet
Ju*ras"sic adjective
Definitions
(Geol.) Of the age of the middle Mesozoic, including, as divided in England and Europe, the Lias, Oölite, and Wealden; -- named from certain rocks of the Jura mountains. --n. The Jurassic period or formation; -- called also the Jura .
