jacklight vs spotlight

jacklight

verb
  • To shine a jacklight or spotlight on an animal, usually a deer, to aid in hunting at night. 

noun
  • A spotlight or lamp mounted on a car. 

spotlight

verb
  • Synonym of jacklight (“to use a spotlight in hunting animals”) 

  • To illuminate with a spotlight. 

  • To draw attention to. 

noun
  • The center of attention; the highlight or most important part. 

  • A bright, directional light or lamp, especially one used to illuminate the focus or center of attention on a stage. 

  • The circle of light shed by a spotlight. 

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