tethys

2 definitions found

tethys - Collaborative International Dictionary of English v.0.48 :

  Tethys \Te"thys\, n. [NL., fr. Gr. ? an oyster, or ? a kind of
     ascidian.] (Zool.)
     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]

tethys - WordNet (r) 2.1 (2005) :

  Tethys
      n 1: (Greek mythology) a Titaness and sea goddess; wife of
           Oceanus
      2: type genus of the family Aplysiidae [syn: Aplysia, genus   Aplysia
         , Tethys, genus Tethus]