Babylon = "confusion"
1) a very large and famous city, the residence of the Babylonian kings, situated on both banks of the Euphrates. Cyrus had formerly captured it, but Darius Hystaspis threw down its gates and walls, and Xerxes destroyed the temple of Belis. At length the city was reduced to almost solitude, the population having been drawn off by the neighbouring Seleucia, built on the Tigris by Seleucus Nicanor.
2) of the territory of Babylonia
3) allegorically, of Rome as the most corrupt seat of idolatry and the enemy of Christianity
Part of Speech: noun proper locative
Citing in TDNT: 1:514, 89
Of Hebrew origin [H894]; Babylon, the capital of Chaldaea (literally or figuratively as a type of tyranny): - Babylon.
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 Βαβυλών; click on the second column to search for that grammatical form of the root Βαβυλών; click on the third column to search for that word and grammatical form; click on the total to search for the root Βαβυλών.