The Collaborative International Dictionary of English v.0.48:

Lamp \Lamp\ (l[a^]mp), n. [OE. (with excrescent p), fr. F. lame,
   L. lamina. See Lamina.]
   A thin plate or lamina. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Lamp \Lamp\ (l[a^]mp), n. [F. lampe, L. lampas, -adis, fr. Gr.
   ?, ?, torch, fr. ? to give light, to shine. Cf. Lampad,
   Lantern.]
   1. A light-producing vessel, device, instrument or apparatus;
      formerly referring especially to a vessel with a wick used
      for the combustion of oil or other inflammable liquid, for
      the purpose of producing artificial light; also, a similar
      device using a gas as the combustible fuel; now referring
      mainly to an electric lamp. See sense [3].
      [1913 Webster +PJC]

   2. Figuratively, anything which enlightens intellectually or
      morally; anything regarded metaphorically a performing the
      uses of a lamp.
      [1913 Webster]

            Thy word is a lamp unto my feet, and a light unto my
            path.                                 --Ps. cxix.
                                                  105.
      [1913 Webster]

            Ages elapsed ere Homer's lamp appeared. --Cowper.
      [1913 Webster]

   3. (Elec.) A device or mechanism for producing light by
      electricity, usually having a glass bulb or tube
      containing the light-emitting element. Most lamps belong
      to one of two categories, the Incandescent lamp (See
      under Incandescent) or the fluorescent lamp. However,
      see also arc lamp, below.
      [1913 Webster +PJC]

   4. A device that emits radiant energy in the form of heat,
      infrared, or ultraviolet rays; as, a heat lamp.
      [PJC]

   Aeolipile lamp, a hollow ball of copper containing alcohol
      which is converted into vapor by a lamp beneath, so as to
      make a powerful blowpipe flame when the vapor is ignited.
      --Weale.

   Arc lamp (Elec.), a form of lamp in which the voltaic arc
      is used as the source of light.

   D["e]bereiner's lamp, an apparatus for the instantaneous
      production of a flame by the spontaneous ignition of a jet
      of hydrogen on being led over platinum sponge; -- named
      after the German chemist D["o]bereiner, who invented it.
      Called also philosopher's lamp.

   Flameless lamp, an aphlogistic lamp.

   Lamp burner, the part of a lamp where the wick is exposed
      and ignited. --Knight.

   Lamp fount, a reservoir for oil, in a lamp.

   Lamp jack. See 2d Jack, n., 4
      (l) &
      (n) .

   Lamp shade, a screen, as of paper, glass, or tin, for
      softening or obstructing the light of a lamp.

   Lamp shell (Zool.), any brachiopod shell of the genus
      Terebratula and allied genera. The name refers to the
      shape, which is like that of an antique lamp. See
      Terebratula.

   Safety lamp, a miner's lamp in which the flame is
      surrounded by fine wire gauze, preventing the kindling of
      dangerous explosive gases; -- called also, from Sir
      Humphry Davy the inventor, Davy lamp.

   To smell of the lamp, to bear marks of great study and
      labor, as a literary composition.
      [1913 Webster]

WordNet (r) 3.0 (2006):

lamp
    n 1: an artificial source of visible illumination
    2: a piece of furniture holding one or more electric light bulbs

Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "lamp":
   Chinese lantern, Finsen light, Moore light, arc light,
   battery lamp, broadside, candle, candlelight, cresset,
   dark lantern, electric candle, electric lamp, electric light bulb,
   electric torch, electric-arc lamp, electric-discharge lamp, eye,
   filament lamp, fire, flame, flame lamp, flash lamp, flashbulb,
   flasher, flashgun, flashlight, flood lamp, floodlight, floor lamp,
   focus lamp, gas lamp, gaslight, glim, head lamp, headlight,
   high-intensity lamp, illuminant, illuminator, incandescent body,
   infrared lamp, klieg light, lampion, lamplet, lantern, light,
   light bulb, light source, limelight, luminant, luminary,
   magic lantern, magnetite arc lamp, match, mercury lamp,
   mercury-arc lamp, moderator lamp, moon, navigation light,
   neon light, neon tube, night light, ocular, oculus, oil lamp,
   osmium lamp, peeper, photoflash lamp, pilot light, rushlight,
   safety lamp, searchlight, sidelight, source of light, spot,
   spotlight, stars, stop light, strobe, strobotron, sun, sun lamp,
   sun spot, table lamp, taper, torch, winker



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

LAMP
       Linux, Apache, MySQL, PHP (Linux, Apache, PHP, DB, SQL)


Easton's 1897 Bible Dictionary:

Lamp
   (1.) That part of the candle-sticks of the tabernacle and the
   temple which bore the light (Ex. 25:37; 1 Kings 7:49; 2 Chr.
   4:20; 13:11; Zech. 4:2). Their form is not described. Olive oil
   was generally burned in them (Ex. 27:20).

     (2.) A torch carried by the soliders of Gideon (Judg. 7:16,
   20). (R.V., "torches.")

     (3.) Domestic lamps (A.V., "candles") were in common use among
   the Hebrews (Matt. 5:15; Mark 4:21, etc.).

     (4.) Lamps or torches were used in connection with marriage
   ceremonies (Matt. 25:1).

     This word is also frequently metaphorically used to denote
   life, welfare, guidance, etc. (2 Sam. 21:17; Ps. 119:105; Prov.
   6:23; 13:9).