elbow vs upper arm

elbow

noun
  • The joint between the upper arm and the forearm. 

  • Part of a basketball court located at the intersection of the free-throw line and the free-throw lane. 

  • Any turn or bend like that of the elbow, in a wall, building, coastline, etc.; an angular or jointed part of any structure, such as the raised arm of a chair or sofa, or a short pipe fitting, turning at an angle or bent. 

  • A hit with the elbow. 

  • Two nearby crossings of a rope. 

verb
  • To make someone quit or lose their job so that someone else can get it. 

  • To nudge, jostle or push. 

  • To push with the elbow or elbows; to forge ahead using the elbows to assist. 

upper arm

noun
  • The section of an arm from the elbow to the shoulder. 

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