The Collaborative International Dictionary of English v.0.48:

Scotchman \Scotch"man\, n.; pl. Scotchmen.
   1. A native or inhabitant of Scotland; a Scot; a Scotsman.
      [1913 Webster]

   2. (Naut.) A piece of wood or stiff hide placed over shrouds
      and other rigging to prevent chafe by the running gear.
      --Ham. Nav. Encyc.
      [1913 Webster]