floater

/ˈfloʊtər/
noun
  1. A small spot or shape that moves across your field of vision, caused by particles in the eye.
    • She blinked, trying to get rid of the floater in her eye.
    • Floaters are usually harmless, but you should see a doctor if they suddenly increase.
    • I saw a floater drifting across my vision when I looked at the bright sky.
  2. A person who does not stay in one job or place for long; a drifter.
    • As a floater, she never felt attached to any particular community.
    • The company hired a floater to fill in for absent employees.
    • He was a floater, moving from city to city every few months.
  3. An object that floats on the surface of a liquid, such as a buoy or a piece of debris.
    • A wooden floater bobbed in the pool near the drain.
    • The fisherman used a bright red floater to mark his line.
    • After the storm, the lake was full of floaters from broken docks.
Synonyms
What does "floater" mean? | whatsthatwordmean | whatsthatwordmean