Feathery: plumous; resembling a feather, as something light, airy, and spray-like.
Feathered; plumed or plumaged; provided with plumes or feathers.
In botany, feathery or feathered: specifically noting bristles, etc., which have fine hairs on opposite sides like the vane of a feather. A plumose pappus is one composed of feathery hairs. See fig. b under pappus.