(UK, informal) The main, usually central, light of a room in a house.

(finance, colloquial) The New York Stock Exchange.

(CB radio slang) The switch controlling one's radio equipment.

plural of big switch

(idiomatic) To a great extent, emphatically, or with great passion.

(informal) to win easily or by a large margin / (informal) to gain or make a lot of money

A census-designated place in Humboldt County, California, United States.

A census-designated place in Inyo County, California, United States.

(astronomy) A theoretical end of the universe in which the expansion of the universe leads to its cooling until the temperature is too cold to support life.

A census-designated place in Fresno County, California, United States.