A person who has a profound influence on others and is a source of inspiration. / That which provides guidance in times of uncertainty.

(rail transport, UK) A railway built at lower cost, with lighter track and to a lower standard than a main-line railway.

limelight

glimmering or imperfect light

(Christianity) An epithet for Jesus Christ

(astronomy) A phenomenon that produces an apparent motion of celestial objects about their true positions, dependent on the velocity of the observer.

plural of light-weight

plural of light wave

(historical) A ship, bearing a light, moored on sunken rocks to warn sailors of danger.

plural of floating light