Mentha piperita

from WordNet (r) 3.0 (2006)

Mentha piperita
    n 1: herb with downy leaves and small purple or white flowers
         that yields a pungent oil used as a flavoring [syn:
         {peppermint}, {Mentha piperita}]

from The Collaborative International Dictionary of English v.0.48

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.
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   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.
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   3. A lozenge of sugar flavored with peppermint.
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   {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 The Collaborative International Dictionary of English v.0.48

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]