Chapter Lamb's-quarters to Lampooner of L by Webster's Dictionary (1913 Edition)

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

Thy word is a lamp unto my feet, and a light unto my path.

Ps. cxix. 105.

Ages elapsed ere Homer's lamp appeared.

Cowper.

3. (Elec.) A device or mechanism for producing light by electricity. See Incandescent lamp, under Incandescent.

Æolipile 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. — Dëbereiner'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 Döbereiner, 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 (Zoöl.), 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.

Lampad
(Lam"pad) n. [Gr. , . See Lamp.] A lamp or candlestick. [R.]

By him who 'mid the golden lampads went.

Trench.

Lampadist
(Lam"pa*dist) n. [Gr. fr. torch. See Lamp.] (Gr. Antiq.) One who gained the prize in the lampadrome.

Lampadrome
(Lam"pa*drome) n. [Gr. torch + course, race, fr. to run.] (Gr. Antiq.) A race run by young men with lighted torches in their hands. He who reached the goal first, with his torch unextinguished, gained the prize.

Lampas
(Lam"pas) n. [F. lampas.] An inflammation and swelling of the soft parts of the roof of the mouth immediately behind the fore teeth in the horse; — called also lampers.

Lampate
(Lam"pate) n. [Cf. F. lampate.] (Chem.) A supposed salt of lampic acid. [Obs.]

Lampblack
(Lamp"black`) n. [Lamp + black.] The fine impalpable soot obtained from the smoke of carbonaceous substances which have been only partly burnt, as in the flame of a smoking lamp. It consists of finely divided carbon, with sometimes a very small proportion of various impurities. It is used as an ingredient of printers' ink, and various black pigments and cements.

Lamper eel
(Lam"per eel`) (Zoöl.) See Lamprey.

Lampern
(Lam"pern) n. [See Lamprey.] (Zoöl.) The river lamprey (Ammocœtes, or Lampetra, fluviatilis).

The name is also applied to other river lampreys.

Lampers
(Lam"pers) n. See Lampas.

Lampic
(Lam"pic) a. [F. lampique, fr. lampe lamp. See Lamp.] (Chem.) Pertaining to, or produced by, a lamp; — formerly said of a supposed acid.