(rail transport, British spelling) An electric railway signal with colour aspects, showing either red or green in a 2-aspect signal, with the addition of a yellow or double yellow aspect (meaning caution) in 3- and 4-aspect signals.

plural of colour light signal

(computer graphics) The application of a variant of the Metropolis-Hastings algorithm to the rendering equation for generating images from detailed physical descriptions of three-dimensional scenes.

(slang, US) high school football.

Plural of light machine gun.

A lightweight machine gun designed to be operated by a single person

Alternative form of the lights are on but nobody's home

(colloquial, humorous) Somebody is failing to respond, react or comprehend.

Alternative form of blow up the tote

Third-person singular simple present indicative form of light up the tote