Lu·ci·fer n.
  1. The planet Venus, when appearing as the morning star; -- applied in Isaiah by a metaphor to a king of Babylon.
     How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground which didst weaken the nations!   --Is. xiv. 12.
     Tertullian and Gregory the Great understood this passage of Isaiah in reference to the fall of Satan; in consequence of which the name Lucifer has since been applied to Satan.   --Kitto.
  2. Hence, Satan.
  How wretched
  Is that poor man that hangs on princes' favors! . . .
  When he falls, he falls like Lucifer,
  Never to hope again.   --Shak.
  3. A match1 made of a sliver of wood tipped with a combustible substance, and ignited by friction; -- called also lucifer match, and locofoco, now most commonly referred to as a friction match. See Locofoco.
  4. Zool. A genus of free-swimming macruran Crustacea, having a slender body and long appendages.
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