ice cream cone vs ice-cream cone

ice cream cone

noun
  • An ice cream cone filled with ice cream. 

  • A thin, conical confection baked from crepe batter, sealed at its apex, used to hold ice cream while it is being eaten. 

  • Any sweet, edible cone or half-open cylinder which can be used in this fashion; often made with wafer or waffle techniques. 

ice-cream cone

How often have the words ice cream cone and ice-cream cone occurred in a corpus of books? (source: Google Ngram Viewer )