'Wormseed mustard' definitions:

Definition of 'wormseed mustard'

From: WordNet
noun
Slender yellow-flowered European mustard often troublesome as a weed; formerly used as an anthelmintic [syn: wormseed mustard, Erysimum cheiranthoides]

Definition of 'Wormseed mustard'

From: GCIDE
  • Wormseed \Worm"seed`\, n. (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. [1913 Webster]
  • Wormseed mustard, a slender, cruciferous plant ({Erysinum cheiranthoides}) having small lanceolate leaves. [1913 Webster]