The Collaborative International Dictionary of English v.0.48:

Lucifer \Lu"ci*fer\, n. [L., bringing light, n., the morning
   star, fr. lux, lucis, light + ferre to bring.]
   [1913 Webster]
   1. The planet Venus, when appearing as the morning star; --
      applied in Isaiah by a metaphor to a king of Babylon.
      [1913 Webster]

            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.
      [1913 Webster]

            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.
      [1913 Webster]

   2. Hence, Satan.
      [1913 Webster]

            How wretched
            Is that poor man that hangs on princes' favors! . .
            .
            When he falls, he falls like Lucifer,
            Never to hope again.                  --Shak.
      [1913 Webster]

   3. A match[1] 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.
      [1913 Webster]

   4. (Zool.) A genus of free-swimming macruran Crustacea,
      having a slender body and long appendages.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Venus \Ve"nus\ (v[=e]"n[u^]s), n. [L. Venus, -eris, the goddess
   of love, the planet Venus.]
   1. (Class. Myth.) The goddess of beauty and love, that is,
      beauty or love deified.
      [1913 Webster]

   2. (Anat.) One of the planets, the second in order from the
      sun, its orbit lying between that of Mercury and that of
      the Earth, at a mean distance from the sun of about
      67,000,000 miles. Its diameter is 7,700 miles, and its
      sidereal period 224.7 days. As the morning star, it was
      called by the ancients Lucifer; as the evening star,
      Hesperus.
      [1913 Webster]

   3. (Alchem.) The metal copper; -- probably so designated from
      the ancient use of the metal in making mirrors, a mirror
      being still the astronomical symbol of the planet Venus.
      [Archaic]
      [1913 Webster]

   4. (Zool.) Any one of numerous species of marine bivalve
      shells of the genus Venus or family Veneridae. Many of
      these shells are large, and ornamented with beautiful
      frills; others are smooth, glossy, and handsomely colored.
      Some of the larger species, as the round clam, or quahog,
      are valued for food.
      [1913 Webster]

   Venus's basin (Bot.), the wild teasel; -- so called because
      the connate leaf bases form a kind of receptacle for
      water, which was formerly gathered for use in the toilet.
      Also called Venus's bath.

   Venus's basket (Zool.), an elegant, cornucopia-shaped,
      hexactinellid sponge (Euplectella speciosa) native of
      the East Indies. It consists of glassy, transparent,
      siliceous fibers interwoven and soldered together so as to
      form a firm network, and has long, slender, divergent
      anchoring fibers at the base by means of which it stands
      erect in the soft mud at the bottom of the sea. Called
      also Venus's flower basket, and Venus's purse.

   Venus's comb.
      (a) (Bot.) Same as Lady's comb.
      (b) (Zool.) A species of Murex (Murex tenuispinus). It
          has a long, tubular canal, with a row of long, slender
          spines along both of its borders, and rows of similar
          spines covering the body of the shell. Called also
          Venus's shell.

   Venus's fan (Zool.), a common reticulated, fanshaped
      gorgonia (Gorgonia flabellum) native of Florida and the
      West Indies. When fresh the color is purple or yellow, or
      a mixture of the two.

   Venus's flytrap. (Bot.) See Flytrap, 2.

   Venus's girdle (Zool.), a long, flat, ribbonlike, very
      delicate, transparent and iridescent ctenophore (Cestum
      Veneris) which swims in the open sea. Its form is due to
      the enormous development of two spheromeres. See Illust.
      in Appendix.

   Venus's hair (Bot.), a delicate and graceful fern
      (Adiantum Capillus-Veneris) having a slender, black and
      shining stem and branches.

   Venus's hair stone (Min.), quartz penetrated by acicular
      crystals of rutile.

   Venus's looking-glass (Bot.), an annual plant of the genus
      Specularia allied to the bellflower; -- also called
      lady's looking-glass.

   Venus's navelwort (Bot.), any one of several species of
      Omphalodes, low boraginaceous herbs with small blue or
      white flowers.

   Venus's pride (Bot.), an old name for Quaker ladies. See
      under Quaker.

   Venus's purse. (Zool.) Same as Venus's basket, above.

   Venus's shell. (Zool.)
      (a) Any species of Cypraea; a cowrie.
      (b) Same as Venus's comb, above.
      (c) Same as Venus, 4.

   Venus's slipper.
      (a) (Bot.) Any plant of the genus Cypripedium. See
          Lady's slipper.
      (b) (Zool.) Any heteropod shell of the genus Carinaria.
          See Carinaria.
          [1913 Webster]
          [1913 Webster]

WordNet (r) 3.0 (2006):

Lucifer
    n 1: (Judeo-Christian and Islamic religions) chief spirit of
         evil and adversary of God; tempter of mankind; master of
         Hell [syn: Satan, Old Nick, Devil, Lucifer,
         Beelzebub, the Tempter, Prince of Darkness]
    2: a planet (usually Venus) seen just before sunrise in the
       eastern sky [syn: morning star, daystar, Phosphorus,
       Lucifer]
    3: 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 you've a
       lucifer to light your fag" [syn: match, lucifer,
       friction match]

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "Lucifer":
   Aldebaran, Apollyon, Beelzebub, Canicula, Dog Star, Hesper,
   Hesperus, His Satanic Majesty, North Star, Old Nick, Old Scratch,
   Phosphor, Phosphorus, Polaris, Satan, Satanas, Sirius, Venus,
   Vesper, celestial body, comet, daystar, devil, diablo,
   evening star, fiend, fixed stars, heavenly body, living sapphires,
   lodestar, morning star, orb, polar star, polestar, serpent, sphere,
   starry host, stars, the Adversary, the Arch-fiend,
   the Common Enemy, the Demon, the Devil, the Devil Incarnate,
   the Evil One, the Evil Spirit, the Fiend, the Foul Fiend,
   the Old Enemy, the Old Serpent, the Tempter, the Wicked One,
   the archenemy, the serpent



Easton's 1897 Bible Dictionary:

Lucifer
   brilliant star, a title given to the king of Babylon (Isa.
   14:12) to denote his glory.


Hitchcock's Bible Names Dictionary (late 1800's):

Lucifer, bringing light