SIRLOIN Meaning of SIRLOIN in English sirloin BrE AmE ˈsɜː lɔɪn AmE \ ˈsɝː-▷ sirloin|s z▶ ˌ sirloin ˈ steak BrE AmE Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012