Definitions of words in Isaiah 21:4:
Heart {Easton's Bible Dictionary}
Heart {International Standard Bible Encyclopedia}
Horror {International Standard Bible Encyclopedia}
Twilight {International Standard Bible Encyclopedia}
Other definition entries containing Isaiah 21:4:
Evil {I.S.B.E.}
Hezekiah (2) {I.S.B.E.}
Isaiah, 1-7 {I.S.B.E.}
Isaiah, 8-9 {I.S.B.E.}