light pipe

noun

, Optics.

1. an elongated transparent medium, such as an optical fiber, for transmitting light.

Word History and Origins

Origin of light pipe¹

First recorded in 1945–50

Example Sentences

You get a soft dusting brush, a reach under tool, a stubborn dirt brush, a light pipe crevice tool, and the hair screw tool.

From Popular-Science

Proceeds to fill and light pipe; re-enter Mrs. Drake with rum.

From Project Gutenberg