What does "lampshade" mean?

A cover over a lamp to either diffuse the light or to block it in certain directions to avoid glare in the eyes.

What is a synonym for "lampshade"?

Common synonyms include: lamp shade, shade.

//ˈlæmp.ʃeɪd// noun, verb, slang

noun, verb, slang ·Moderate ·College level

Noun

1
A cover over a lamp to either diffuse the light or to block it in certain directions to avoid glare in the eyes.
"It was all very well, this Bohemianism of red lamp-shades and cigarettes, but in the cold grey light that filtered through Partridge's grimy windows it did not show to any great advantage."
2
a protective ornamental covering for a lamp, used to screen a light bulb from direct view wordnet

Verb

1
To intentionally call attention to the improbable, incongruent, or clichéd nature of an element or situation featured in a work of fiction within the work itself. slang
"Only one short bit of humor is endearing, lampshading the ridiculousness of an eye-mask being able to conceal a superhero's identity."
2
To wear an oversize top with skintight thigh-high boots and no leggings.
"Pants. Who needs them? Definitely not celebrities sporting the lampshading or "no pants" trend this summer."
3
To adorn with one or more lampshades.
"Her hotel sitting-room had, as usual, been flowered, cushioned and lampshaded into a delusive semblance of stability; and she had really felt, for the last few weeks, that the life she was leading there must be going to last — it seemed so perfect an answer to all her wants!"
4
To design or create lampshades.
"Ruth Vitow (160 East 56th Street, 355-6881) has been the doyenne of lampshading for 30 years. She makes up designs in all categories, and her own custom lamps of Lucite and wood."