1
a
: any of various devices for producing light or sometimes heat: such as
(1)
: a vessel with a wick for burning an inflammable liquid (such as oil) to produce light
(2)
: a glass bulb or tube that emits light produced by electricity (such as an incandescent light bulb or fluorescent lamp)
b
: a decorative appliance housing a lamp that is usually covered by a shade
2
: a celestial body
3
: a source of intellectual or spiritual illumination
4
: eye sense 1a
—usually plural
Cite this Entry
“Lamp.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lamp. Accessed 29 Oct. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
