Pronunciation: (tē'this), [key]
1. Class. Myth.a Titan, a daughter of Uranus and Gaea, the wife of Oceanus and mother of the Oceanids and river gods.
2. Astron.one of the moons of Saturn.
3. Geol.the Mesozoic ocean or seaway of which the Mediterranean Sea is a greatly shrunken remnant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.