Melissa Definition & Meaning | Merriam-Webster Medical

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melissa

noun

me·​lis·​sa mə-ˈlis-ə How to pronounce melissa (audio) 1 capitalized : a genus of Old World mints having clusters of small white or yellowish flowers and including the lemon balm (M. officinalis) 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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“Melissa.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/melissa. Accessed 10 Jan. 2026.

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