breast vs cerebral cortex

breast

noun
  • The ventral portion of an animal's thorax. 

  • Either of the two organs on the front of a female human's chest, which contain the mammary glands; also the analogous organs in males. 

  • The figurative seat of the emotions, feelings etc.; one's heart or innermost thoughts. 

  • A section of clothing covering the breast area. 

  • The front or forward part of anything. 

  • The face of a coal working. 

  • The chest, or front of the human thorax. 

  • A choice cut of poultry, especially chicken or turkey, taken from the bird’s breast; also a cut of meat from other animals, breast of mutton, veal, pork. 

  • The front of a furnace. 

  • The breaststroke. 

verb
  • To push against with the breast; to meet full on, oppose, face. 

  • To debreast. 

  • To reach the top (of a hill). 

cerebral cortex

noun
  • The grey, folded, outermost layer of the cerebrum that is responsible for higher brain processes such as sensation, voluntary muscle movement, thought, reasoning, and memory. 

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