elbow in WordNet English dictionary

1. hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped
   elbow  elbow joint  human elbow  cubitus  cubital joint  articulatio cubiti 
   
2. the joint of a mammal or bird that corresponds to the human elbow
   elbow 
   
3. the part of a sleeve that covers the elbow joint
   "his coat had patches over the elbows"
   elbow 
   
4. a sharp bend in a road or river
   elbow 
   
5. a length of pipe with a sharp bend in it
   elbow 
   

1. shove one's elbow into another person's ribs
   elbow 
   
2. push one's way with the elbows
   elbow