Water wings, for example (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
floats
(Other definitions for floats that I've seen before include "Rests or drifts on the surface" , "Stays on the surface of water" , "Hovers" , "Stays on the surface of liquid" , "Remains on the surface of liquid" .)