tramper

noun4

1. •
   One who tramps.
2. •
   (New-Zealand) A recreational hiker.

   • It's a popular spot for hikers, or trampers as they call them here. — 2007
3. •
   A ship, typically a bulk freighter, which does not travel on a fixed route; compare liner.

   • A Greek ship wants 30 pounds of feta cheese, a British tramper requests five cases of steak and kidney pies, a Japanese auto carrier orders 75 pints of boiled octopus, […] — 2005
4. •
   A mechanism which pounds material into a more compact form for further processing; found for example in cotton gins and trash processors.

   • The purpose of the tramper is to pack the lint into the press box under the restraining dogs near the top end of the press box. — 1995