Wiktionary
clearing station
n. (context military English) A temporary field hospital to treat and classify the sick and wounded.
Usage examples of "clearing station".
Back for the weary round back through Grand Central Clearing Station, and then to Earth again.
The Lodz Clearing Station handled more than three hundred thousand people a day, and almost all of them were Han.
Their creators routed them through a clearing station administered by the police department, checking them off in numbered lots to make sure all were accounted for prior to disposal.