OCTAVO Meaning of OCTAVO in English octavo BrE AmE ɒk ˈteɪv əʊ -ˈtɑːv- AmE \ ɑːk ˈteɪv oʊ -ˈtɑːv- ▷ octavo|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012