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. 2019
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012