What is the meaning of sugar?

noun

• A white crystalline carbohydrate used as a sweetener and preservative.
  • synonyms: refined 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: carbohydrate, saccharide
• Informal terms for money.
  • synonyms: boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lettuce, lolly, lucre, loot, moolah, pelf, scratch, shekels, simoleons, wampum

verb

• Sweeten with sugar.
  • usage: "sugar your tea"
  • synonyms: saccharify