Lightshade

Part of speech: noun

Definitions

1. A device that diffuses or blocks light, often used for lamps or windows
2. A form of covering or screen that enhances the quality of light in a room while providing glare control
3. An accessory that helps to create mood and ambiance by regulating light intensity in a space

Etymology: A lightshade is exactly what the name promises: a shade for a light. The word is a plain compound, built from "light" and "shade," and its meaning follows directly from those two parts. "Shade" in the sense of a screen or cover that dims or softens brightness goes back centuries in English, and attaching it to "light" produced a term for the cover fitted over a lamp or bulb to diffuse its glare. The interest here lies in how transparent the construction is. Many lamp-related words, such as "lampshade" or "chandelier," keep their parts only in faint traces, but "lightshade" wears its logic openly, which is why it reads so easily to anyone who has ever fitted a cover over a bulb.

Synonyms: shade, shadow, dappled shade

Antonyms: full sun, brightness