Brachium

noun

1. The part of the upper arm or forelimb extending from the shoulder to the elbow.
2. An arm or a homologous anatomical structure, such as a flipper or wing.
3. The part of a limb or process corresponding to an arm.
4. The upper arm, from the shoulder to the elbow, coinciding in extent with the humerus; the arm proper, as distinguished from the antebrachium or forearm.
5. The humerus.