from The Century Dictionary.

  • noun The costus, Heterotrichum Lappa. See costus-root and Saussurea.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) The fragrant roots of the Saussurea Costus, exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The fragrant roots of Saussurea costus, used as incense.


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