any of various devices furnishing artificial light, as by electricity or gas. Compare fluorescent lamp, incandescent lamp.
a container for an inflammable liquid, as oil, which is burned at a wick as a means of illumination.
a source of intellectual or spiritual light: the lamp of learning.
any of various devices furnishing heat, ultraviolet, or other radiation: an infrared lamp.
a celestial body that gives off light, as the moon or a star.
a torch.
lamps, Slang. the eyes.
verb (used with object)
Slang. to look at; eye.
smell of the lamp, to give evidence of laborious study or effort: His dissertation smells of the lamp.

1150–1200; Middle English lampe < Old French < Late Latin lampada, for Latin lampas (stem lampad-) < Greek lampás lamp; akin to lámpē torch, lamp, lámpein to shine

lampless, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
lamp (læmp)
1.  a.  any of a number of devices that produce illumination: an electric lamp; a gas lamp; an oil lamp
 b.  (in combination): lampshade
2.  a device for holding one or more electric light bulbs: a table lamp
3.  a vessel in which a liquid fuel is burned to supply illumination
4.  any of a variety of devices that produce radiation, esp for therapeutic purposes: an ultraviolet lamp
[C13 lampe, via Old French from Latin lampas, from Greek, from lampein to shine]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1200, from O.Fr. lampe (12c.), from L. lampas, from Gk. lampas "torch, lamp, beacon, meteor, light," from lampein "to shine," from PIE base *lap- "to shine" (cf. Lith. lope "light," O.Ir. lassar "flame"). Replaced O.E. leohtfæt "light vessel." Lamp-black (1598) is a pigment made from pure, fine
carbon, originally from the soot produced by burning oil in lamps.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

lamp (lāmp)
A device that generates light, heat, or therapeutic radiation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Bible Dictionary

Lamp definition

(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).

Easton's 1897 Bible Dictionary
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