1. a tall North American wildflower with white or greenish flowers and fluffy seed heads
Usage: botanical

Examples

• The thimbleweed grew wild along the prairie edges.
• White thimbleweed flowers bloomed in late summer.
• The fluffy seed heads of thimbleweed dispersed in the wind.
• Thimbleweed is a member of the buttercup family.
• The tall thimbleweed swayed gently in the meadow breeze.