floater

nouns

spots before the eyes caused by opaque cell fragments in the vitreous humor and lens
"floaters seem to drift through the field of vision"
a debt instrument with a variable interest rate tied to some other interest rate (e.g. the rate paid by T-bills)
is a type of (narrower)
a written promise to repay a debt
a wanderer who has no established residence or visible means of support
an employee who is reassigned from job to job as needed
is a type of (narrower)
a worker who is hired to perform a job
a voter who votes illegally at different polling places in the same election
is a type of (narrower)
a citizen who has a legal right to vote
a swimmer who floats in the water
is derived from
is a type of (narrower)
a person who travels through the water by swimming
"he is not a good swimmer"
an object that floats or is capable of floating
is derived from
is a type of (narrower)
a tangible and visible entity; an entity that can cast a shadow
"it was full of rackets, balls and other objects"
an insurance policy covering loss of movable property (e.g. jewelry) regardless of its location