aigrette

noun3

1. •
   A feather or plume, or feather-shaped item, used as an adornment or ornament, typically in hats or hair.

   • His turban, furled in many a graceful fold, / An emerald aigrette, with Haidée's hair in't, / Surmounted as its clasp […] — 1819
2. •
   The lesser white heron.

   • Birds of many kinds skimmed the weedy flats. George pointed out a flock of aigrets, the beautiful wild fowl with the priceless plumes. — 1912
3. •
   The feathery crown of some seeds (such as the dandelion).