1. a purple-flowered Eurasian heath that grows abundantly on moorland and heathland. Many ornamental varieties have been developed.
▪ any plant of the Ericaceae family similar to heather; a heath.
Word OriginOld Englishhadre, hedre (recorded in place names), of unknown origin. The word was chiefly Scots until the 16th century; the change in the first syllable in the 18th century was due to association with heath.