from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An annual, yellow-flowered, thistlelike Mediterranean herb (Cnicus benedictus) in the composite family, used in herbal medicine.
from the GNU version of the Collaborative International Dictionary of English
- See under thistle.
- n. Carduus benedictus, so named because it was formerly considered an antidote to the bite of venomous creatures.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. tall Old World biennial thistle with large clasping white-blotched leaves and purple flower heads; naturalized in California and South America
- n. annual of Mediterranean to Portugal having hairy stems and minutely spiny-toothed leaves and large heads of yellow flowers
From its use by monks in the Middle Ages.(American Heritage® Dictionary of the English Language, Fourth Edition)