The Collaborative International Dictionary of English v.0.48:
Hover \Hov"er\, v. i. [imp. & p. p. Hovered; p. pr. & vb. n.
Hovering.] [OE. hoveren, and hoven, prob. orig., to abide,
linger, and fr. AS. hof house; cf. OFries. hovia to receive
into one's house. See Hovel.]
1. 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.
Great flights of birds are hovering about the
bridge, and settling on it. --Addison.
A hovering mist came swimming o'er his sight.
2. To hang about; to move to and fro near a place,
threateningly, watchfully, or irresolutely.
Agricola having sent his navy to hover on the coast.
Hovering o'er the paper with her quill. --Shak.