Definition of "Floater" :

noun: an insurance policy covering loss of movable property (e.g. jewelry) regardless of its location

noun: an object that floats or is capable of floating

noun: a swimmer who floats in the water

noun: a voter who votes illegally at different polling places in the same election

noun: an employee who is reassigned from job to job as needed

noun: a wanderer who has no established residence or visible means of support

noun: a debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)

noun: spots before the eyes caused by opaque cell fragments in the vitreous humor and lens

"Floaters seem to drift through the field of vision."