Rat·a·ny n. Bot. Same as Rhatany.
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Rhat·a·ny, Rhat·an·hy n. The powerfully astringent root of a half-shrubby Peruvian plant (Krameria triandra). It is used in medicine and to color port wine. [Written also ratany.]
Savanilla rhatany, the root of Krameria Ixina, a native of New Granada.
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