Rock candy refers to crystallized sugar that forms into small, hard chunks resembling tiny rocks. It is made by dissolving sugar in water and allowing it to cool and harden. Full definition
This was a really neat room designed with rock candy covering the walls to form a mini candy cave. (thechicdiary.com)
My grandma used to make syrup with rock candy, fresh sliced ginger and water to put on the grass jelly. (userealbutter.com)
I was glad to see this question because I no sooner started reading this book than I was making notations to read Stegner's CROSSING TO SAFETY -LRB-- even though I did not particularly care for Stgner's book Big Rock Candy Mountain a couple of decades ago.) (bookbrowse.com)