1. the light, fluffy seeds of thistle plants that are carried by the wind
Usage: plural form of thistledown

Examples

• The thistledowns drifted across the meadow on the summer breeze.
• Children often blow thistledowns to watch them float away.
• The field was covered with purple thistle flowers that would soon release their thistledowns.
• Thistledowns are designed by nature to travel long distances to spread the plant.
• She collected the silky thistledowns in a jar for her nature display.
• The wind carried the thistledowns over the fence into the neighbor’s yard.