belt loop vs interstate

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. 

interstate

noun
  • A freeway that is part of the Interstate Highway System. 

adv
  • Crossing states (usually provincial state, but also e.g. multinational sense). 

adj
  • Of, or relating to two or more states. 

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