noun
A hybrid herb of the mint family (Mentha × piperita), formed by crossing watermint and spearmint, which has a high menthol content and a sharp flavor and is used in cooking, especially in herb teas and in confections.
(Australia) Any of various eucalypts of southeastern Australia whose leaves yield peppermint-like essential oils.
(countable) Any of various sweets containing extract of the peppermint herb; peppermint confectionery.