PORTCULLIS Meaning of PORTCULLIS in English port ‧ cul ‧ lis /pɔːtˈkʌləs, pɔːtˈkʌlɪs $ pɔːrt-/ BrE AmE noun [countable] a strong iron gate that can be lowered over the entrance of a castle Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012