Definitions of words in Revelation 18:21:
Again {International Standard Bible Encyclopedia}
Angel {Easton's Bible Dictionary}
Angel {International Standard Bible Encyclopedia}
City {Easton's Bible Dictionary}
City {International Standard Bible Encyclopedia}
Destruction {Easton's Bible Dictionary}
Destruction {International Standard Bible Encyclopedia}
Millstone {International Standard Bible Encyclopedia}
Sea {International Standard Bible Encyclopedia}
Babylon {Easton's Bible Dictionary}
Babylon {Hitchcock's Bible Names}