Definitions of words in Revelation 9:13:
Altar {Easton's Bible Dictionary}
Altar {International Standard Bible Encyclopedia}
Angel {Easton's Bible Dictionary}
Angel {International Standard Bible Encyclopedia}
Before {International Standard Bible Encyclopedia}
Four {International Standard Bible Encyclopedia}
Voice {International Standard Bible Encyclopedia}
God {Easton's Bible Dictionary}
Other definition entries containing Revelation 9:13:
Horn {I.S.B.E.}
Revelation Of John {I.S.B.E.}