belt loop vs thoroughfare

belt loop

noun
  • A highway that loops around the perimeter of a major city. 

  • The 'D' shaped frame of a belt buckle 

  • One of the loops of fabric ringing the waist of a pair of pants, used to hold the belt in place. 

thoroughfare

noun
  • A road open at both ends or connecting one area with another; a highway or main street. 

  • An unobstructed waterway allowing passage for ships. 

  • The act of going through; passage; travel, transit. 

  • A passage; a way through. 

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