noun

• (uncountable) A smooth, chewy, sticky confection made by heating sugar and other ingredients until the sugars polymerize and become sticky.
  "The usual technique for making caramel is to mix table sugar with some water, then heat until the water has boiled off and the molten sugar colors."
• (countable) A (sometimes hardened) piece of this confection.
  "Caramel has a rich, complex flavor and consistency, viscous and sticky and creamy all at once, that works well with most sweets and fruits, with coffee and chocolate, and even with salt: the prized caramels of Brittany are made with a notable dose of sea salt."

verb

• (transitive, cooking, dated) To caramelize.
  "To turn out, place the dish over the mould, and invert both together, when, if the caramelling has been complete, the pudding should slip out without any difficulty at all."