Dictionary
thim•ble•weed
Pronunciation: (thim'bul-wēd"), [key]—
n.
any of several plants having a thimble-shaped fruiting head, esp. either of two white-flowered North American plants,
Anemone riparia or
A. virginiana.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.