verb (v)

• clean refuse from(verb.contact)

  Example:
  Scavenge a street.
  

  source: wordnet30
• collect discarded or refused material(verb.contact)

  Example:
  She scavenged the garbage cans for food.
  

  Synonym:
  salvage
  

  source: wordnet30
• feed on carrion or refuse(verb.consumption)

  Example:
  Hyenas scavenge.
  

  source: wordnet30
• remove unwanted substances from(verb.change)

  Synonym:
  clean
  

  source: wordnet30
• To cleanse, as streets, from filth.(verb)

  source: webster1913
• To remove the burned gases from the cylinder after a working stroke; as, this engine does not scavenge well.(verb)

  source: webster1913
• To remove (burned gases) from the cylinder after a working stroke.(verb)

  source: webster1913