OCTAVE Meaning of OCTAVE in English octave BrE AmE ˈɒkt ɪv § -əv, -eɪv AmE ˈɑːkt- —Generally -ɪv, §-əv as a musical or literary term, but -eɪv in the sense 'period of eight days'▷ octave|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012