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.
Also called cotton thistle .
SCOTCH THISTLE
Meaning of SCOTCH THISTLE in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012