Longman Dictionary English From Longman Dictionary of Contemporary EnglishSunna, thethe SunnaSun‧na, the, Sunnah /ˈsʊnə, ˈsʌnə/ noun a set of Muslim customs and rules based on the words and acts of MuhammadOrigin Sunna (1700-1800) Arabic sunnah “rule, custom” ldoceonline.com
