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lady's-thistle

American  
[ley-deez-this-uhl] / ˈleɪ dizˌθɪs əl /

noun

  1. a composite plant, Silybum marianum, of the Mediterranean region, having glossy, spiny leaves and purplish-red flower heads.

Etymology

Origin of lady's-thistle

First recorded in 1545–55

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.