OPERCULUM Meaning of OPERCULUM in English opercul|um BrE AmE ə ʊ ˈpɜːk jʊl |əm ɒ-, -jəl- AmE \ oʊ ˈpɝːk jəl |əm▷ opercul|a ə Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012