Source : Webster's Revised Unabridged Dictionary (1913)

Peppermint \Pep"per*mint\, n. [Pepper + mint.]
   1. (Bot.) An aromatic and pungent plant of the genus {Mentha}
      ({M. piperita}), much used in medicine and confectionery.

   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.

   3. A lozenge of sugar flavored with peppermint.

   {Peppermint} camphor. (Chem.) Same as {Menthol}.

   {Peppermint tree} (Bot.), a name given to several Australian
      species of gum tree ({Eucalyptus amygdalina}, {E.
      piperita}, {E. odorata}, etc.) which have hard and durable
      wood, and yield an essential oil.