hover

hov|er [ `havər ] verb intransitive *

1. ) if a bird, insect, or aircraft hovers, it keeps itself in the same position in the air:

An army helicopter hovered overhead.

2. ) to stay somewhere because you are waiting to do something or because you cannot decide what to do:

The waiter was hovering by their table.

Her hand hovered over the phone for a couple of seconds.

3. ) hover between to be in a state or situation that may change at any time:

His girlfriend is hovering between life and death.

4. ) hover around/near to be at or near a particular level without changing much:

Their total world sales hover around the 50,000,000 mark.

hover on the brink/edge/verge of something

to be very close to doing or experiencing something, especially something unpleasant:

Annabel was hovering on the brink of tears.