hover (
http://definr.com/hover)
v 1: be undecided about something [syn:
vacillate]
2: move to and fro; "The shy student lingered in the corner"
[syn:
linger]
3: hang in the air; fly or be suspended above
4: be suspended in the air [syn:
levitate]
5: hang over, as of something threatening, dark, or menacing;
"The terrible vision brooded over her all day long" [syn:
brood,
loom,
bulk large]