From HomoExcelsior

1. scavenged the garbage cans for food scraps. 2. The streets are periodically scavenged. 3. To collect (salvageable material) by searching. 4. To expel (exhaust gases) from a cylinder of an internal-combustion engine. 5. To expel exhaust gases from (such a cylinder). 6. To clean (molten metal) by chemically removing impurities. 7. To search through refuse for useful material. 8. To feed on dead or decaying matter.

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