1. Bible An angelic being who was cast from heaven as punishment for his rebellious pride. Lucifer is traditionally identified with Satan.
2. The planet Venus in its appearance as the morning star. Also called Phosphorus.
3. lucifer A friction match.
[Middle English, from Old English, morning star, Lucifer, from Latin Lūcifer, from lūcifer, light-bringer : lūx, lūc-, light; see leuk- in the Appendix of Indo-European roots + -fer, -fer.]
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