Belonging to Arabia, or to the Arabian race or language.[i. c.] Derived from certain species of acacia growing in Arabia and other eastern countries: as, gum arabic (which see, under gum); arabic acid. See arabin.n. The language of the Arabians; a Semitic dialect, belonging (along with the Himyaritic and Abyssinian languages) to the southern branch of the Semitic family, and generally regarded as exhibiting more ancient features than any other Semitic tongue.