Human elbow and Hinge joint

Human elbow noun - Hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped.

Hinge joint and human elbow are semantically related. In some cases you can use "Hinge joint" instead a noun phrase "Human elbow".

Hinge joint noun - A freely moving joint in which the bones are so articulated as to allow extensive movement in one plane.

Human elbow and hinge joint are semantically related. Sometimes you can replace phrase "Human elbow" with "Hinge joint", this phrases are similar.