The feathery crown of some seeds (such as the dandelion).
The lesser white heron.
A feather or plume, or feather-shaped item, used as an adornment or ornament.
A colored waxy or oily outgrowth near the micropyle of some seeds, attractive to ants which aid the seed's dispersal.
A small, fleshy excrescence that is a normal part of an animal's anatomy.