arbor vs meatgrinder

arbor

noun
  • A bar for supporting cutting tools. 

  • A shady sitting place or pergola usually in a park or garden, surrounded by climbing shrubs, vines or other vegetation. 

  • A grove of trees. 

  • A spindle of a wheel. 

  • An axis or shaft supporting a rotating part on a lathe. 

meatgrinder

noun
  • A device for cutting meat into very small pieces. 

  • An activity with a high casualty or attrition rate, such as a military battle or an occupational or athletic activity. 

  • The mountainous second day of the race was a real meatgrinder, with 20% of racers dropping out. 

  • A process that is likely to be injurious in a non-physical way. 

How often have the words arbor and meatgrinder occurred in a corpus of books? (source: Google Ngram Viewer )