elbow joint vs articulatio cubiti

elbow joint and articulatio cubiti both are nouns.

Word	Noun	Adjective	Verb	Adverb
elbow joint	Yes	No	No	No
articulatio cubiti	Yes	No	No	No

As nouns, elbow joint and articulatio cubiti are synonyms defined as:

elbow joint and articulatio cubiti: hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped

Other synonyms of elbow joint include cubital joint, cubitus, elbow, human elbow.

elbow joint (noun)	articulatio cubiti (noun)
hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped	hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped