Definition of Lucifer

• (Judeo-Christian and Islamic religions) chief spirit of evil and adversary of God; tempter of mankind; master of Hell
• a planet (usually Venus) seen just before sunrise in the eastern sky
• lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical; ignites with friction; "he always carries matches to light his pipe"; "as long youve a lucifer to light your fag"