lady's-thistle

[ley-deez-this-uh l]

noun

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

Origin of lady's-thistle

First recorded in 1545–55

Also called holy thistle, milk thistle.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018