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Meaning of Scotch thistle

Scotch' this'tle

Pronunciation: [key]
  1. a tall, prickly plant, Onopordum acanthium, native to Eurasia, having stems and leaves covered with cottony down and solitary purple flower heads: the national emblem of Scotland.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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