fabric vs tortoise shell

fabric

noun
  • A material made of fibers, a textile or cloth. 

  • Interconnected nodes that look like a textile fabric when diagrammed. 

  • The framework underlying a structure. 

  • The appearance of crystalline grains in a rock. 

  • The texture of a cloth. 

verb
  • To cover with fabric. 

tortoise shell

noun
  • The shell of a tortoise, sometimes inaccurately the shell of a turtle, or that material. 

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