transitive. To provide with a plume or plumes; to cover or decorate with, or as if with, plumes or feathers.

To smear (a person's body) over with tar; esp. in to tar and feather, to smear with tar and then cover with feathers: a punishment sometimes…

To cover with feathers. externally: To coat with feathers; more fully, to tar and feather (see tar, v.1).