Definition of rackman
1 : a power plant or mill worker who cleans the racks that screen fish, weeds, and other foreign matter from river water before it enters machines
2 : one who working from a raised loading rack fills tank cars, trucks, or ships with petroleum products
3 : a worker who places starting blanks between anodes in electrolysis tanks before the deposition of copper starting sheets on the blanks
4 : racker a
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Origin and Etymology of rackman
3rack + man
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