'Onopordon Acanthium' definitions:

Definition of 'Onopordon acanthium'

(from WordNet)
noun
Biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America [syn: cotton thistle, woolly thistle, Scotch thistle, Onopordum acanthium, Onopordon acanthium]

Definition of 'Onopordon Acanthium'

From: GCIDE

Definition of 'Onopordon acanthium'

From: GCIDE