- sugar in large, hard, cohering crystals.
Origin of rock candy
First recorded in 1715–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- US and Canadian a hard candy, typically a long brightly-coloured peppermint-flavoured stick, sold esp in holiday resortsAlso called (in Britain and certain other countries): rock