elbow

hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

a sharp bend in a road or river

a length of pipe with a sharp bend in it

the part of a sleeve that covers the elbow joint; "his coat had patches over the elbows"

the joint of a mammal or bird that corresponds to the human elbow

push one's way with the elbows

shove one's elbow into another person's ribs