noun ex·a·cum \ˈeksəkəm\

Definition of exacum

  1. 1 capitalized :  a genus of tropical Asiatic and African plants (family Gentianaceae) including one species (E. affine) of herbaceous biennials with bluish to dark lavender flowers that are often cultivated in the greenhouse

  2. 2 plural -s :  any plant of the genus Exacum

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Origin and Etymology of exacum

New Latin, from Latin, a kind of centaury, from Gaulish

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