brachial /ˈbɹeɪkɪəl/adjective 2noun 1forms 1 adjective2 •Pertaining or belonging to the arm. •Of the nature of an arm. noun1 •Denoting the upper valve of a brachiopod's shellThe first brachials are somewhat broader than long and are not entirely in contact interiorly. The second brachials are squarish. The first and most of the second brachials bear spines […] — 1950 formsbrachials
