(1):
(v. i.) To hang fluttering in the air, or on the wing; to remain in flight or floating about or over a place or object; to be suspended in the air above something.
(2):
(n.) A cover; a shelter; a protection.
(3):
(v. i.) To hang about; to move to and fro near a place, threateningly, watchfully, or irresolutely.