Medical Dictionary


noun me·lis·sa \mə-ˈlis-ə\

Medical Definition of melissa

  1. 1 capitalized :  a genus of Old World mints having clusters of small white or yellowish flowers and including the lemon balm (M. officinalis)

  2. 2:  the leaves and tops of the lemon balm that are a source of citral and have been used as a diaphoretic in the form of a tea

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