Tiberias = "from the Tiber (as river-god)"
1) a city of Galilee near the Lake of Gennesaret, which Herod Antipas, tetrarch of Galilee, greatly enlarged and beautified, and named Tiberias in honour of Tiberias Caesar
Part of Speech: noun feminine
From G5086; Tiberias, the name of a town and a lake in Palestine: - Tiberias.
These two sites give similar information, with the definition from several dictionaries and statistics on the use of the word.
Perseus Digital Library
University of Chicago's Logion lexicon
Thayer's dictionary plus other information.
From this site's dictionary (in Italian)
Click on the first column to search for that word as a form of the root Τιβεριάς; click on the second column to search for that grammatical form of the root Τιβεριάς; click on the third column to search for that word and grammatical form; click on the total to search for the root Τιβεριάς.