Bible Dictionaries
Tethys

Webster's Dictionary

(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.

Bibliography Information
Webster, Noah. Entry for 'Tethys'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/tethys.html. 1828.