variants or manacan
or less commonly manaca root
plural -s
: the dried root of a shrub (Brunfelsia hopeana) of Brazil and the West Indies that has been used to treat rheumatism and syphilis

called also vegetable mercury

Word History


Portuguese manacá, from Tupi

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Dictionary Entries Near manaca

Cite this Entry

“Manaca.” Dictionary, Merriam-Webster, Accessed 22 Jul. 2024.

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