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Noun
1. (Greek mythology) a Titaness and sea goddess; wife of Oceanus
(hypernym) Titaness
(classification) Greek mythology
2. type genus of the family Aplysiidae
(synonym) Aplysia, genus Aplysia, genus Tethus
(hypernym) mollusk genus
(member-holonym) Aplysiidae, family Aplysiidae, Tethyidae, family Tethyidae
(member-meronym) sea hare, Aplysia punctata

(n.)
A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored.
  

[Greek] The personification of the fertile ocean. She married her brother Oceanus and had over 3000 children by him, they were the springs, lakes, rivers of the world. Tethys was the god-mother of Rhea and raised her during the civil war between the Titans and the Olympians.

Tethys (Greek) The wife of Oceanus and mother of a host of water deities. The Hesiodic theogony makes both Oceanus and Tethys titans, born of Uranus and Gaia (heaven and earth), or the spatial reaches of cosmic intelligence and the spatial vehicular aspects of the cosmos, here called earth. Sometimes Tethys is identified with Gaia, and hence with earth, but the earth meant is not our earth, but primordial matter in process of formation.

See more at Wikipedia.org...

---

Noun
1. (Greek mythology) a Titaness and sea goddess; wife of Oceanus
(hypernym) Titaness
(classification) Greek mythology
2. type genus of the family Aplysiidae
(synonym) Aplysia, genus Aplysia, genus Tethus
(hypernym) mollusk genus
(member-holonym) Aplysiidae, family Aplysiidae, Tethyidae, family Tethyidae
(member-meronym) sea hare, Aplysia punctata

(n.)
A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored.
  

[Greek] The personification of the fertile ocean. She married her brother Oceanus and had over 3000 children by him, they were the springs, lakes, rivers of the world. Tethys was the god-mother of Rhea and raised her during the civil war between the Titans and the Olympians.

Tethys (Greek) The wife of Oceanus and mother of a host of water deities. The Hesiodic theogony makes both Oceanus and Tethys titans, born of Uranus and Gaia (heaven and earth), or the spatial reaches of cosmic intelligence and the spatial vehicular aspects of the cosmos, here called earth. Sometimes Tethys is identified with Gaia, and hence with earth, but the earth meant is not our earth, but primordial matter in process of formation.