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.
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            Great flights of birds are hovering about the
            bridge, and settling on it.           --Addison.
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            A hovering mist came swimming o'er his sight.
                                                  --Dryden.
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   2. To hang about; to move to and fro near a place,
      threateningly, watchfully, or irresolutely.
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            Agricola having sent his navy to hover on the coast.
                                                  --Milton.
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            Hovering o'er the paper with her quill. --Shak.
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