sugar

(noun): Sucrose in the form of small crystals, obtained from sugar cane or sugar beet and used to sweeten food and drink.
(noun): A specific variety of sugar.
(noun): Any of various small carbohydrates that are used by organisms to store energy.
(noun): A small serving of this substance (typically about one teaspoon), used to sweeten a drink.
(noun): A term of endearment.
(noun): A kiss.
(noun): Effeminacy in a male, often implying homosexuality.
(noun): Diabetes.
(noun): Anything resembling sugar in taste or appearance, especially in chemistry.
(noun): Compliment or flattery used to disguise or render acceptable something obnoxious; honeyed or soothing words.
(noun): Heroin.
(noun): Money.
(noun): Syntactic sugar.
(verb): To add sugar to; to sweeten with sugar.
(verb): To make (something unpleasant) seem less so.
(verb): In making maple sugar, to complete the process of boiling down the syrup till it is thick enough to crystallize; to approach or reach the state of granulation; with the preposition off.
(verb): To apply sugar to trees or plants in order to catch moths.
(verb): To rewrite (source code) using syntactic sugar.
(verb): To compliment (a person).
(interjection): Used in place of shit!

He usually has his coffee white with one sugar.
I'll be with you in a moment, sugar.
I think John has a little bit of sugar in him.
Sugar of lead (lead acetate) is a poisonous white crystalline substance with a sweet taste.
John heavily sugars his coffee.