Carb Look up carb in Wiktionary, the free dictionary. Carb or CARB may refer to: Carbohydrate, a simple molecule Carburetor, a device that blends air and fuel for an internal combustion engine California Air Resources Board, in the government of California, US See also[edit] Search for "carb" , "c-arb", "car-b", "ca-rb", or "c-a-r-b" on Wikipedia. Carb Day Karb (disambiguation) All pages with titles beginning with Carb All pages with titles containing Carb Topics referred to by the same term This disambiguation page lists articles associated with the title Carb.If an internal link led you here, you may wish to change the link to point directly to the intended article.