elbow

(noun) hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped. Synonyms: elbow joint, human elbow, cubitus, cubital joint, articulatio cubiti.

(noun) a sharp bend in a road or river.

(noun) a length of pipe with a sharp bend in it.

(noun) the part of a sleeve that covers the elbow joint. Examples: "His coat had patches over the elbows."

(noun) the joint of a mammal or bird that corresponds to the human elbow.

(verb) push one's way with the elbows.

(verb) shove one's elbow into another person's ribs.