2021-7-1 · عُرْف • ( ʿurf ) m ( plural أَعْرَاف (ʾaʿrāf)) ( countable) a practice that is widely known somewhere or in some group; a convention; custom; a tradition. Synonym: سُنَّة (sunna, "a characteristic practice, especially one that is popularized or enforced") the crest or comb of a rooster, a cockscomb. any ...