Related Clues:

• What helicopters do
• Hang, as a hummingbird
• Float on air
• Hang in midair
• Float like a hummingbird
• Float like a copter
• Stay up?
• Protect, in a way, with 'over'
• Hang up?
• Be overattentive, as a waiter
• Supervise too closely
• Move like a chopper
• Imitate a UFO
• Be still in the air
• Float in the air