Jurassic Jurane • Jurevis · · · Info · Definitions · Characters · · Jurassic · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) from 190 million to 135 million years ago; dinosaurs; conifers. Synonyms: Jurassic period. · · Noun Definition 1 (adj) of or relating to or denoting the second period of the Mesozoic era. · · Adjective Definition 1 Characters · · J latin capital letter j U+004A a latin small letter a U+0061 c latin small letter c U+0063 i latin small letter i U+0069 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075