HORDEIN Meaning of HORDEIN in English /hawr"dee in/ , n. Biochem.a simple protein of the prolamin class, found in barley grain. [ 1820-30; hordéine horde ( um ) barley + F -ine -IN 2 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012