cast iron vs edge

cast iron

noun
  • A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould. 

adj
  • Inflexible or without exception. 

  • Made of cast iron. 

  • Durable; tough; resilient. 

edge

noun
  • The thin cutting side of the blade of an instrument, such as an ax, knife, sword, or scythe; that which cuts as an edge does, or wounds deeply, etc. 

  • A one-dimensional face of a polytope. In particular, the joining line between two vertices of a polygon; the place where two faces of a polyhedron meet. 

  • Sharpness; readiness or fitness to cut; keenness; intenseness of desire. 

  • The boundary line of a surface. 

  • An advantage. 

  • The border or part adjacent to the line of division; the beginning or early part (of a period of time) 

  • A shot where the ball comes off the edge of the bat, often unintentionally. 

  • The point of data production in an organization (the focus of edge computing), as opposed to the cloud. 

  • A level of sexual arousal that is maintained just short of reaching the point of inevitability, or climax. 

  • A sharp terminating border; a margin; a brink; an extreme verge. 

  • A connected pair of vertices in a graph. 

verb
  • To trim the margin of a lawn where the grass meets the sidewalk, usually with an electric or gas-powered lawn edger. 

  • To furnish with an edge, as a tool or weapon; to sharpen. 

  • To make sharp or keen; to incite; to exasperate; to goad; to urge or egg on. 

  • To hit the ball with an edge of the bat, causing a fine deflection. 

  • To delay one's orgasm so as to remain almost at the point of orgasm. 

  • To move an object slowly and carefully in a particular direction. 

  • To furnish with an edge; to construct an edging. 

  • To move slowly and carefully in a particular direction. 

  • To win by a small margin. 

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