tache noire
noun
plural taches noires
ˈtäsh-ˈnwär(z) 
: a small dark-centered ulcer that appears at the site of a tick bite and is the primary lesion of boutonneuse fever
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“Tache noire.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/tache%20noire. Accessed 14 Jul. 2025.
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