1. (noun)carbohydrate, saccharide, sugar an essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain Synonyms: refined sugar, cabbage, saccharide, bread, lettuce, simoleons, sugar, wampum, kale, lucre, clams, gelt, dinero, scratch, boodle, dough, moolah, lolly, carbohydrate, pelf, loot, shekels