The Collaborative International Dictionary of English v.0.48:

Warehouseman \Ware"house`man\, n.; pl. Warehousemen.
   1. One who keeps a warehouse; the owner or keeper of a dock
      warehouse or wharf store.
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   2. One who keeps a wholesale shop or store for Manchester or
      woolen goods. [Eng.]
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   Warehouseman's itch (Med.), a form of eczema occurring on
      the back of the hands of warehousemen.
      [1913 Webster]