Lucifer

The most common meaning for Lucifer in English is as a name for the Devil in Christian theology. It appeared in the King James Version of the Bible in Isaiah and before that in the Vulgate (the late-4th-century Latin translation of the Bible), not as the name of a devil but as the Latin word (uncapitalized), meaning "the morning star", "the planet Venus", or, as an adjective, "light-bringing". It is a translation of the Hebrew word , meaning "Shining One".

As the Latin name for the morning appearances of the planet Venus, it corresponds to the Greek names Phosphorus , "light-bringer", and Eosphorus , "dawn-bringer". The entity's Latin name was subsequently absorbed into Christianity as a name for the devil. Modern scholarship generally translates the term in the relevant Bible passage (Isaiah 14:12), where the Greek Septuagint reads ὁ ἑωσφόρος ὁ πρωὶ ἀνατέλλων, as "morning star" or "shining one" rather than as a proper noun, Lucifer, as found in the Latin Vulgate.

As a name for the planet in its morning aspect, "Lucifer" (Light-Bringer) is a proper noun and is capitalized in English. In Greco-Roman civilization, it was often personified and considered a god and in some versions considered a son of Aurora (the Dawn). A similar name used by the Roman poet Catullus for the planet in its evening aspect is "Noctifer" (Night-Bringer). Provided by Wikipedia