sugar
US /ˈʃʊɡ.ɚ/
UK /ˈʃʊɡ.ɚ/

1.
a sweet crystalline substance obtained from various plants, especially sugar cane and sugar beet, consisting essentially of sucrose, and used as a sweetener in food and drink.
:
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Add two spoons of sugar to your coffee.
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Too much sugar is bad for your health.
2.
(informal) used as a term of endearment, especially for a loved one or child.
:
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Hello, sugar, how was your day?
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Come here, little sugar, and give me a hug.