Found 2 items, similar to Tethys.
English → English (WordNet) Definition: Tethys Tethys n 1: (Greek mythology) a Titaness and sea goddess; wife of Oceanus 2: type genus of the family Aplysiidae [syn: Aplysia, genus Aplysia , genus Tethus]
English → English (gcide) Definition: Tethys Tethys \Te"thys\, n. [NL., fr. Gr. ? an oyster, or ? a kind of ascidian.] (Zo["o]l.) 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. [1913 Webster]