Masculine noun · From הלל (H1984) (in the sense of brightness)
From H1984 (in the sense of brightness); the morning-star:—lucifer.
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Lucifer is not a reference to the spiritual demon Satan, but rather Esau, known today as the so-called white-man. Nor is it a reference to "fallen angels" (Ecclesiasticus 16:26-28, Psalms 103:20)
Strongs concordance