Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A tropical American plant (Dysphania ambrosioides syn. Chenopodium ambrosioides) having leaves used as a seasoning and yielding an oil used as an anthelmintic.
  • noun Any of several other plants used as an anthelmintic.

from The Century Dictionary.

  • noun Same as santonica. See santonica and santonin.
  • noun The fruit of the American herb Chenopodium ambrosioides, especially var. anthelminticum, which is often reckoned a distinct species; also, the plant itself.
  • noun The treacle-mustard, Erysimum cheiranthoides, or primarily its seed, which was formerly a popular vermifuge in England. Also treaclewormseed.

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

  • noun (Bot.) Any one of several plants, as Artemisia santonica, and Chenopodium anthelminticum, whose seeds have the property of expelling worms from the stomach and intestines.
  • noun a slender, cruciferous plant (Erysinum cheiranthoides) having small lanceolate leaves.

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

  • noun An aromatic tropical plant, Chenopodium ambrosioides, that yields an anthelmintic oil

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun rank-smelling tropical American pigweed

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