What anatomical term refers to the region of the elbow?

The term "cubital" specifically refers to the region of the elbow. In anatomical terminology, "cubital" is derived from the Latin word "cubitus," which means elbow. This term is commonly used in descriptions of anatomy and medical contexts to identify structures or regions related to the elbow joint, making it the most precise choice for this question.

The term "olecranal" also relates to the elbow but is more specifically used to describe the bony prominence at the back of the elbow, known as the olecranon process of the ulna. While this term can be relevant when discussing aspects of the elbow, it is not as broadly applicable as "cubital" for defining the region itself.

"Brachial" pertains to the upper arm, which is the area between the shoulder and the elbow. This term does not accurately describe the elbow region, thus making it less relevant to the question at hand.

"Radial" relates to the radius, one of the two bones in the forearm, located on the lateral side of the forearm when in the anatomical position. Like "brachial," this term is related to the surrounding structures but does not refer to the elbow region itself.