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plural expressmen
(dated or historical, US) A courier, especially by train or stagecoach quotations
Many times each day the bell in the kitchen went ting-a-ling-a-ling and Little Elephant rushed to the door to see who was there. Sometimes it was the expressman who drove up in a truck and dumped a big box or two.
1938, Heluiz Chandler Washburne, Little Elephant's Christmas