hover
     v 1: be undecided about something; waver between conflicting
          positions or courses of action; "He oscillates between
          accepting the new position and retirement" [syn: {vibrate},
           {vacillate}, {oscillate}]
     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, as if in defiance of gravity; "The
        guru claimed that he could levitate" [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}]
Source: WordNet® 2.0