overpass vs triangle

overpass

noun
  • A section of a road or path that crosses over an obstacle, especially another road, railway, etc. 

verb
  • To pass above something, as when flying or moving on a higher road. 

  • To exceed, overstep, or transcend a limit, threshold, or goal. 

  • To disregard, skip, or miss something. 

triangle

noun
  • A triangular formation of railway tracks, with a curve on at least one side. 

  • A set square. 

  • The structure of systems composed with three interrelated objects. 

  • A triangular piece of equipment used for gathering the balls into the formation required by the game being played. 

  • A draughtsman's square in the form of a right-angled triangle. 

  • A polygon with three sides and three angles. 

  • A love triangle. 

  • A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment. 

  • Any of various large papilionid butterflies of the genus Graphium. 

  • A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound. 

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