- A thin plate or lamina. - A light-producing vessel, instrument or apparatus;
especially, a vessel with a wick used for the combustion of oil or
other inflammable liquid, for the purpose of producing artificial
light. - Figuratively, anything which enlightens intellectually or
morally; anything regarded metaphorically a performing the uses of a
lamp. - A device or mechanism for producing light by electricity. See
Incandescent lamp, under Incandescent.