the sea that lay between Laurasia and Gondwanaland, the two supercontinents formed by the first split of the larger supercontinent Pangaea. The Tethys Sea can be regarded as the predecessor of today's smaller Mediterranean
See also Pangaea
Tethys in American English1
(ˈtiθɪs)
noun
1. Greek Mythology
a daughter of Uranus and wife of Oceanus, by whom she is the mother of the Oceanides
2.
a satellite of Saturn having long trenchlike valleys and sharing its orbit with other satellites
Word origin
L < Gr Tēthys
Tethys in American English2
(ˈtiθɪs)
an ancient sea and geosyncline, especially of the Mesozoic and early Cenozoic eras that separated Laurasia from Gondwana