noun
Someone who scavenges, especially one who searches through rubbish for food or useful things.
An animal that feeds on decaying matter such as carrion.
(UK, Ireland, obsolete) A street sweeper.
(UK, Ireland, historical) A child employed to pick up loose cotton from the floor in a cotton mill.
(chemistry) A substance used to remove impurities from the air or from a solution.
verb
(archaic) To scavenge.
(archaic) To clean the rubbish from a street, etc.