Alternative letter-case form of northern lights

(meteorology, nautical) A light wind with wind speed between 0.3 and 1.5 m/s; a Force 1 wind strength on the Beaufort scale.

(simile) extremely light, having minimal weight

plural of light rail

(US, Canada, rail transport) A kind of passenger railway in urban and suburban settings typically characterized by a mixture of tram (or in North America streetcar) and metro features, crossing streets at grade crossings and normally powered by electricity.

plural of leading light

(idiomatic) An acclaimed expert, one of the foremost experts, a luminary. / (nautical, navigation) A light that helps to guide vessels into a port.

plural of Christmas light

(Australia) A light bulb. / A nearly evacuated glass globe containing ionized gas (plasma), which produces lightning-like patterns when touched.

An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.