The wing of a bird. The outer rear edge of the wing of a bird, containing the primary feathers. A primary feather of a bird. To remove or bind the wing feathers of (a bird) to prevent flight. To cut or bind (the wings of a bird). To restrain or immobilize (a person) by binding the arms. To bind (a person's arms). To bind fast or hold down; shackle. A small cogwheel that engages or is engaged by a larger cogwheel or a rack.