floater

noun

1.
spots before the eyes caused by opaque cell fragments in the vitreous humor and lens
2.
a debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)
3.
a wanderer who has no established residence or visible means of support
4.
an employee who is reassigned from job to job as needed
5.
a voter who votes illegally at different polling places in the same election
6.
a swimmer who floats in the water
Derived from:
float
7.
an object that floats or is capable of floating
Derived from:
float
8.
an insurance policy covering loss of movable property (e.g. jewelry) regardless of its location