Hovering

To float in the air.

"The hummingbird hovered by the plant."

To linger or hang in one place, especially in an uncertain manner.

"His pen hovered above the paper."

To waver, or be uncertain.

"Filling in the voting form, I hovered between Labour and Liberal Democrat."

To place the cursor over a hyperlink or icon without clicking.

"A tooltip appears when you hover over this link."

The act of one who hovers.