Is ‧ lam /ˈɪslɑːm, ˈɪz-, ɪsˈlɑːm/ BrE AmE noun [uncountable]
[ Date: 1600-1700 ; Language: Arabic ; Origin: islam 'obeying (the will of God)' ]
1 . the Muslim religion, which was started by Muhammad and whose holy book is the Quran (Koran)
2 . the people and countries that follow this religion
—Islamic /ɪzˈlæmɪk,ɪs-/ adjective