'Peppermint' definitions:

Definition of 'peppermint'

noun

Herb with downy leaves and small purple or white flowers that yields a pungent oil used as a flavoring [syn: peppermint, Mentha piperita]

noun

Red gum tree of Tasmania [syn: red gum, peppermint, peppermint gum, Eucalyptus amygdalina]

noun

A candy flavored with peppermint oil [syn: peppermint, peppermint candy]

From: GCIDE

Mint \Mint\ (m[i^]nt), n. [AS. minte, fr. L. mentha, Gr. mi`nqa, mi`nqh.] (Bot.) The name of several aromatic labiate plants, mostly of the genus Mentha, yielding odoriferous essential oils by distillation. See Mentha. [1913 Webster]
Note:
Corn mint is Mentha arvensis.
Horsemint is Mentha sylvestris, and in the United States Monarda punctata, which differs from the true mints in several respects.
Mountain mint is any species of the related genus Pycnanthemum, common in North America.
Peppermint is Mentha piperita.
Spearmint is Mentha viridis.
Water mint is Mentha aquatica. [1913 Webster]
Mint camphor. (Chem.) See Menthol.
Mint julep. See Julep.
Mint sauce, a sauce flavored with spearmint, for meats. [1913 Webster]

From: GCIDE

Peppermint \Pep"per*mint\, n. [Pepper + mint.]
1. (Bot.) An aromatic and pungent plant of the genus Mentha (Mentha piperita), much used in medicine and confectionery. [1913 Webster]
2. A volatile oil (oil of peppermint) distilled from the fresh herb; also, a well-known essence or spirit (essence of peppermint) obtained from it. [1913 Webster]
3. A lozenge of sugar flavored with peppermint. [1913 Webster]
Peppermint camphor. (Chem.) Same as Menthol.
Peppermint tree (Bot.), a name given to several Australian species of gum tree (Eucalyptus amygdalina, {Eucalyptus piperita}, E. odorata, etc.) which have hard and durable wood, and yield an essential oil. [1913 Webster]

From: GCIDE

Peppermint \Pep"per*mint\, n. [Pepper + mint.]
1. (Bot.) An aromatic and pungent plant of the genus Mentha (Mentha piperita), much used in medicine and confectionery. [1913 Webster]
2. A volatile oil (oil of peppermint) distilled from the fresh herb; also, a well-known essence or spirit (essence of peppermint) obtained from it. [1913 Webster]
3. A lozenge of sugar flavored with peppermint. [1913 Webster]
Peppermint camphor. (Chem.) Same as Menthol.
Peppermint tree (Bot.), a name given to several Australian species of gum tree (Eucalyptus amygdalina, {Eucalyptus piperita}, E. odorata, etc.) which have hard and durable wood, and yield an essential oil. [1913 Webster]