arrow vs trigger finger

arrow

noun
  • A projectile consisting of a shaft, a point and a tail with stabilizing fins that is shot from a bow. 

  • A directed edge. 

  • A dart. 

  • The inflorescence or tassel of a mature sugar cane plant. 

  • A sign or symbol used to indicate a direction (e.g. →). 

  • The -> symbol, which has specific meanings in various programming languages. 

verb
  • To move swiftly and directly (like an arrow). 

  • To let fly swiftly and directly. 

  • To develop an inflorescence. 

  • To navigate using the arrow keys. 

trigger finger

noun
  • a finger used in pulling the trigger of a firearm 

  • the forefinger 

  • difficulty encountered in finger flexion or extension caused by the narrowing of the sheath that surrounds that finger's tendon 

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