GNU Collaborative International Dictionary of English

last match results

Found 2 definitions

1.       
   Jura (?), prop. n. [F. & L.] 1. A range of mountains between France and Switzerland.
   
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   2. (Geol.) The Jurassic period. See Jurassic.
   
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2.       
   Jurassic (?), a. (Geol.) Of the age of the middle Mesozoic, about 190 to 140 million years ago, including, as divided in England and Europe, the Lias, Oölite, and Wealden; -- named from certain rocks of the Jura mountains.  It was noted for the predominance of dinosaurs on land, and the development of the first birds and mammals. -- n. The Jurassic period or formation; -- called also the Jura.
   
   [1913 Webster +PJC]