A thin sheet of colored plastic used to affect color temperature of lights when shooting film or video. They are held in front of a light by clipping it to the barn doors using C-47s.

A switch, usually mounted on a wall in a building, used to turn the light on or off.

(astronomy) A soft glow of white light seen in the sky along the ecliptic in an elongated triangular form with its base being on the horizon, particularly in the tropics.

Not given to heavy thoughts or thinking, frivolous, not serious.

Having quick, light and nimble fingers. / (figuratively) Having nimble fingers, especially for stealing or picking pockets (pickpocketing), given to thievery or shoplifting.

simple past tense and past participle of light-finger

A breed of poultry.

(obsolete, chiefly Victorian) A worker whose duties involve carrying light (i.e., not heavy) packages, as in a bank. / A type of porter ale lighter in color than the typical dark porter.

A warning light, especially as a traffic signal indicating stop. / A sign of a brothel. / (idiomatic) Denial to proceed; a ruling out of any possibility.

A signalling device positioned at a road intersection or pedestrian crossing to indicate when it may be safe to drive, ride or walk, using a universal colour code.