Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun cotton_thistle

1 sense of cotton thistle

Sense 1
cotton thistle, woolly thistle, Scotch thistle, Onopordum acanthium, Onopordon acanthium -- (biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America)
       => thistle -- (any of numerous plants of the family Compositae and especially of the genera Carduus and Cirsium and Onopordum having prickly-edged leaves)