brachial
/ˈbreɪkɪəl/adjective
1- Anatomy of or relating to the arm or arm-like structure【剖】臂的; 肱的; 臂状的：
the brachial artery.
肱动脉。
1.1
- like an arm像手臂的。
1.2
- Zoology denoting the upper valve of a brachiopod's shell【动】（腕足动物）腕的, 腕板的。
词源
late Middle English: from Latin brachialis, from brac（c）hium 'arm'.